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ARIATLCHCCINCOLLADMIAMILNYMPHIPITSDPSFGSTLWSNShow All MLB TeamsSeason
2021
Transaction Type
AllFree AgentsExtensionsContract OptionsTradesArbitration40-Man RosterTeam Add/Sub
AllAdditionsSubtractionsNeutralAge is reported as the player's age on 6/30/2021.Service Time is reported as the pre-2021 season value.
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Free Agents▼
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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Extensions▼
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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Contract Options▼
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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Trades▼
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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Arbitration▼
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
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40-Man Roster Moves▼
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
|---|---|---|---|---|---|---|
| 3/21 | CHW | Nik Turley | RP | 31 | 1.143 | Claimed off waivers from Athletics |
| 3/18 | SFG | Ashton Goudeau | SP/RP | 28 | 0.092 | Claimed off waivers from Orioles |
| 3/14 | CIN | Carson Fulmer | RP/SP | 27 | 2.035 | Claimed off waivers from Pirates |
| 3/6 | TOR | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Red Sox |
| 3/6 | SDP | Jordan Humphreys | SP/RP | 25 | 0.000 | Claimed off waivers from Giants |
| 2/27 | HOU | Robel García | INF | 28 | 0.061 | Claimed off waivers from Angels |
| 2/24 | CLE | Harold Ramírez | OF | 26 | 1.142 | Claimed off waivers from Marlins |
| 2/24 | ATL | Guillermo Heredia | OF | 30 | 3.112 | Claimed off waivers from Mets |
| 2/22 | ATL | Phillip Ervin | OF | 28 | 2.115 | Claimed off waivers from Cubs |
| 2/17 | SDP | Mark Melancon | RP | 36 | 10.098 | Agreed to one-year contract (2021) |
| 2/12 | ATL | Travis Demeritte | OF | 26 | 0.152 | Claimed off waivers from Tigers |
| 2/11 | MIN | Kyle Garlick | OF | 29 | 0.163 | Claimed off waivers from Braves |
| 2/10 | CIN | Max Schrock | INF | 26 | 0.075 | Claimed off waivers from Cubs |
| 2/5 | MIN | Ian Hamilton | RP | 26 | 0.114 | Claimed off waivers from Phillies |
| 2/5 | CHC | Sergio Alcántara | INF | 24 | 0.050 | Claimed off waivers from Tigers |
| 2/3 | LAA | Robel García | INF | 28 | 0.061 | Claimed off waivers from Mets |
| 1/29 | ARI | Humberto Castellanos | RP | 23 | 0.092 | Claimed off waivers from Astros |
| 1/23 | ATL | Víctor Arano | RP | 26 | 2.020 | Claimed off waivers from Phillies |
| 1/12 | PIT | Troy Stokes Jr. | OF | 25 | 0.144 | Claimed off waivers from Tigers |
| 1/8 | NYM | Stephen Tarpley | RP | 28 | 1.130 | Claimed off waivers from Marlins |
| 12/23 | CIN | Deivy Grullón | C | 25 | 0.032 | Claimed off waivers from Red Sox |
| 12/22 | MIL | Tim Lopes | OF/INF | 27 | 1.055 | Claimed off waivers from Mariners |
| 12/10 | COL | Jordan Sheffield | RP | 26 | Selected from Dodgers in Rule 5 draft | |
| 12/10 | CLE | Trevor Stephan | SP/RP | 25 | Selected from Yankees in Rule 5 draft | |
| 12/10 | OAK | Ka'ai Tom | OF | 27 | Selected from Cleveland in Rule 5 draft | |
| 12/10 | OAK | Dany Jiménez | RP | 27 | 0.031 | Selected from Blue Jays in Rule 5 draft |
| 12/10 | PIT | José Soriano | SP/RP | 22 | Selected from Angels in Rule 5 draft | |
| 12/10 | DET | Akil Baddoo | OF | 22 | Selected from Twins in Rule 5 draft | |
| 12/10 | BAL | Mac Sceroler | SP/RP | 26 | Selected from Reds in Rule 5 draft | |
| 12/10 | MIA | Paul Campbell | SP/RP | 25 | Selected from Rays in Rule 5 draft | |
| 12/10 | BAL | Tyler Wells | SP/RP | 26 | Selected from Twins in Rule 5 draft | |
| 12/10 | LAA | Gustavo Campero | C/OF | 23 | Selected from Yankees in Rule 5 draft (AAA phase) | |
| 12/10 | SFG | Dedniel Núñez | SP/RP | 25 | Selected from Mets in Rule 5 draft | |
| 12/10 | BOS | Garrett Whitlock | SP/RP | 25 | Selected from Yankees in Rule 5 draft | |
| 12/10 | SEA | Will Vest | RP | 26 | Selected from Tigers in Rule 5 draft | |
| 12/10 | TEX | Brett de Geus | RP | 23 | Selected from Dodgers in Rule 5 draft | |
| 12/7 | TOR | Anthony Castro | SP | 26 | 0.033 | Claimed off waivers from Tigers |
| 12/7 | WSN | Rogelio Armenteros | SP | 27 | 1.018 | Claimed off waivers from Diamondbacks |
| 12/7 | SEA | Robert Dugger | SP/RP | 25 | 0.162 | Claimed off waivers from Marlins |
| 12/2 | CHC | Robert Stock | RP | 31 | 1.123 | Claimed off waivers from Red Sox |
| 11/25 | TEX | Aramis Garcia | C | 28 | 1.086 | Claimed off waivers from Giants |
| 11/25 | BAL | Chris Shaw | 1B/OF | 27 | 0.060 | Claimed off waivers from Giants |
| 11/20 | CHW | Emilio Vargas | SP | 24 | 0.000 | Claimed off waivers from Diamondbacks |
| 10/30 | BAL | Yolmer Sánchez | INF | 29 | 5.040 | Claimed off waivers from White Sox |
| 10/30 | PIT | Michael Pérez | C | 28 | 2.000 | Claimed off waivers from Rays |
| 10/30 | NYM | Jacob Barnes | RP | 31 | 4.030 | Claimed off waivers from Angels |
| 10/30 | MIN | Brandon Waddell | SP/RP | 27 | 0.067 | Claimed off waivers from Pirates |
| 10/30 | MIN | Ian Gibaut | RP | 27 | 0.138 | Claimed off waivers from Rangers |
| 10/23 | SEA | Domingo Tapia | RP | 29 | 0.047 | Claimed off waivers from Red Sox |
| 10/23 | ARI | Taylor Guilbeau | RP | 28 | 1.032 | Claimed off waivers from Mariners |
| 10/1 | PIT | Sean Poppen | SP/RP | 27 | 0.119 | Claimed off waivers from Twins |
| 4/26 | PHI | Símon Muzziotti | OF | 22 | Reinstated from Restricted List | |
| 3/31 | NYY | Justin Wilson | RP | 33 | 8.035 | Placed on 10-Day IL |
| 3/31 | NYY | Lucas Luetge | RP | 34 | 2.015 | Contract selected from minors |
| 3/31 | NYY | Zack Britton | RP | 33 | 8.158 | Placed on 60-Day IL |
| 3/31 | CLE | Bryan Shaw | RP | 33 | 8.148 | Contract selected from minors |
| 3/31 | CHC | Ildemaro Vargas | INF/OF | 29 | 2.028 | Cleared waivers; outrighted to minors |
| 3/31 | NYY | Luke Voit | 1B | 30 | 2.169 | Placed on 10-Day IL |
| 3/31 | NYY | Miguel Andujar | INF/OF | 26 | 2.117 | Placed on 10-Day IL |
| 3/31 | MIL | Tyrone Taylor | OF | 27 | 0.098 | Optioned to minors |
| 3/30 | CHW | Nik Turley | RP | 31 | 1.143 | Designated for assignment |
| 3/30 | BAL | Yolmer Sánchez | INF | 29 | 5.040 | Cleared waivers; released |
| 3/30 | BOS | Franchy Cordero | OF | 26 | 3.038 | Activated from COVID-19 IL (protocol) |
| 3/30 | NYY | Kyle Holder | INF | 27 | Returned from Reds (R5) | |
| 3/30 | BOS | John Schreiber | RP | 27 | 1.017 | Designated for assignment |
| 3/29 | WSN | Dakota Bacus | RP | 30 | 0.125 | Cleared waivers; outrighted to minors |
| 3/29 | WSN | Jake Noll | INF | 27 | 0.056 | Cleared waivers; outrighted to minors |
| 3/28 | CHC | Ildemaro Vargas | INF/OF | 29 | 2.028 | Designated for assignment |
| 3/28 | WSN | Dakota Bacus | RP | 30 | 0.125 | Designated for assignment |
| 3/28 | PHI | C.J. Chatham | INF | 26 | 0.000 | Released |
| 3/27 | BAL | Yolmer Sánchez | INF | 29 | 5.040 | Designated for assignment |
| 3/27 | ATL | Jake Lamb | 3B/1B | 30 | 6.053 | Released |
| 3/27 | CIN | Noé Ramirez | RP | 31 | 3.139 | Released |
| 3/27 | CLE | Beau Taylor | C | 31 | 0.168 | Designated for assignment |
| 3/27 | ATL | Phillip Ervin | OF | 28 | 2.115 | Designated for assignment |
| 3/27 | WSN | Jake Noll | INF | 27 | 0.056 | Designated for assignment |
| 3/26 | ATL | Abraham Almonte | OF | 32 | 4.059 | Outrighed to minors |
| 3/26 | PHI | Símon Muzziotti | OF | 22 | Placed on Restricted List | |
| 3/24 | HOU | Jose Alberto Rivera | SP/RP | 24 | Returned from Athletics (R5) | |
| 3/15 | TOR | Dany Jiménez | RP | 27 | 0.031 | Returned from Athletics (R5) |
| 3/12 | BAL | Gray Fenter | SP/RP | 25 | Returned from Cubs (R5) | |
| 3/10 | TOR | Jacob Waguespack | SP/RP | 27 | 1.091 | Cleared waivers; outrighted to minors |
| 3/7 | PIT | Carson Fulmer | RP | 27 | 2.035 | Designated for assignment |
| 3/7 | BOS | Kevin Plawecki | C | 30 | 4.167 | Activated from COVID-19 IL |
| 3/6 | TOR | Jacob Waguespack | SP/RP | 27 | 1.091 | Designated for assignment |
| 3/5 | LAA | Gerardo Reyes | RP | 28 | 0.074 | Outrighted to minors |
| 3/2 | CHC | Robert Stock | RP | 31 | 1.123 | Cleared waivers; outrighted to minors |
| 3/2 | CHC | Duane Underwood Jr. | RP | 26 | 1.044 | Designated for assignment |
| 3/2 | LAA | José Quijada | RP | 25 | 0.143 | Placed on Restricted List |
| 3/1 | BOS | Marcus Walden | RP | 32 | 2.000 | Cleared waivers; outrighted to minors |
| 3/1 | ARI | Keury Mella | RP | 27 | 0.170 | Cleared waivers; outrighted to minors |
| 3/1 | NYY | Greg Allen | OF | 28 | 2.010 | Cleared waivers; outrighted to minors |
| 2/28 | TOR | Breyvic Valera | INF/OF | 29 | 0.121 | Reinstated from Restricted List |
| 2/27 | OAK | Paul Blackburn | SP/RP | 27 | 1.143 | Cleared waivers; outrighted to minors |
| 2/26 | CHC | Robert Stock | RP | 31 | 1.123 | Designated for assignment |
| 2/26 | ARI | Keury Mella | RP | 27 | 0.170 | Designated for assignment |
| 2/26 | ARI | Travis Bergen | RP | 27 | 1.046 | Designated for assignment |
| 2/26 | SFG | Jordan Humphreys | SP | 25 | 0.000 | Claimed off waivers from Cleveland |
| 2/26 | ARI | Luis Frías | SP | 23 | Activated from COVID-19 IL | |
| 2/25 | LAA | Robel García | INF | 28 | 0.061 | Designated for assignment |
| 2/25 | SFG | Trevor Gott | RP | 28 | 3.048 | Cleared waivers; outrighted to minors |
| 2/24 | BOS | Marcus Walden | RP | 32 | 2.000 | Designated for assignment |
| 2/24 | ATL | Jack Mayfield | INF | 30 | 1.030 | Designated for assignment |
| 2/24 | PIT | Austin Davis | RP | 28 | 1.105 | Placed on 60-Day IL |
| 2/24 | CLE | Jordan Humphreys | SP/RP | 25 | 0.000 | Designated for assignment |
| 2/23 | ATL | Phil Pfeifer | SP/RP | 28 | 1.000 | Designated for assignment |
| 2/23 | OAK | Paul Blackburn | SP/RP | 27 | 1.143 | Designated for assignment |
| 2/23 | NYY | Greg Allen | OF | 28 | 2.010 | Designated for assignment |
| 2/23 | SEA | Robert Dugger | SP/RP | 25 | 0.162 | Cleared waivers; outrighted to minors |
| 2/22 | BOS | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Blue Jays |
| 2/22 | OAK | Dustin Fowler | OF | 26 | 1.039 | Designated for assignment |
| 2/21 | COL | Ian Desmond | OF/1B | 35 | 10.027 | Placed on Restricted List (opt out) |
| 2/21 | NYM | Guillermo Heredia | OF | 30 | 3.112 | Designated for assignment |
| 2/21 | ATL | Travis Demeritte | OF | 26 | 0.152 | Outrighted to minors |
| 2/21 | SFG | Trevor Gott | RP | 28 | 3.048 | Designated for assignment |
| 2/20 | NYM | Noah Syndergaard | SP | 28 | 5.149 | Placed on 60-Day IL |
| 2/20 | TEX | Jimmy Herget | RP | 27 | 1.033 | Cleared waivers; outrighted to minors |
| 2/20 | CHC | Phillip Ervin | OF | 28 | 2.115 | Designated for assignment |
| 2/20 | CHC | Sergio Alcántara | INF | 24 | 0.050 | Cleared waivers; outrighted to minors |
| 2/19 | MIN | Ian Gibaut | RP | 27 | 0.138 | Outrighted to minors |
| 2/19 | SEA | Robert Dugger | SP/RP | 25 | 0.162 | Designated for assignment |
| 2/18 | CHC | Sergio Alcántara | INF | 24 | 0.050 | Designated for assignment |
| 2/17 | MIA | Harold Ramírez | OF | 26 | 1.142 | Designated for assignment |
| 2/16 | BOS | Jeffrey Springs | RP/SP | 28 | 2.043 | Designated for assignment |
| 2/16 | NYM | Corey Oswalt | SP/RP | 27 | 1.052 | Cleared waivers; outrighted to minors |
| 2/16 | TEX | Jimmy Herget | RP | 27 | 1.033 | Designated for assignment |
| 2/16 | MIN | Ian Hamilton | RP | 26 | 0.114 | Cleared waivers; outrighted to minors |
| 2/12 | LAA | Dillon Peters | SP | 28 | 1.089 | Cleared waivers; outrighted to minors |
| 2/12 | BOS | Chris Mazza | SP/RP | 31 | 0.162 | Designated for assignment |
| 2/12 | ARI | Taylor Guilbeau | RP | 28 | 1.032 | Cleared waivers; outrighted to minors |
| 2/12 | MIN | Ian Hamilton | RP | 26 | 0.114 | Designated for assignment |
| 2/12 | MIN | Brandon Waddell | SP/RP | 27 | 0.067 | Cleared waivers; outrighted to minors |
| 2/12 | TEX | Adolis García | OF | 28 | 0.095 | Cleared waivers; outrighted to minors |
| 2/12 | DET | John Schreiber | RP | 27 | 1.017 | Designated for assignment |
| 2/11 | NYM | Brad Brach | RP | 35 | 8.063 | Designated for assignment |
| 2/11 | TOR | Derek Fisher | OF | 27 | 2.061 | Designated for assignment |
| 2/11 | LAD | Josh Sborz | RP | 27 | 0.113 | Designated for assignment |
| 2/11 | SFG | Luis Alexander Basabe | OF | 24 | 0.058 | Cleared waivers; outrighted to minors |
| 2/11 | MIN | Brandon Waddell | SP/RP | 27 | 0.067 | Designated for assignment |
| 2/11 | TOR | Shun Yamaguchi | RP/SP | 33 | 1.000 | Designated for assignment |
| 2/10 | TOR | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Red Sox |
| 2/10 | NYM | Corey Oswalt | SP/RP | 27 | 1.052 | Designated for assignment |
| 2/10 | NYY | Ben Heller | RP | 29 | 3.021 | Designated for assignment |
| 2/10 | NYM | Ali Sánchez | C | 24 | 0.047 | Designated for assignment |
| 2/10 | TEX | Adolis García | OF | 28 | 0.095 | Designated for assignment |
| 2/8 | LAA | Dillon Peters | SP/RP | 28 | 1.089 | Designated for assignment |
| 2/8 | CHW | Emilio Vargas | SP | 24 | 0.000 | Cleared waivers; outrighted to minors |
| 2/6 | ARI | Taylor Guilbeau | RP | 28 | 1.032 | Designated for assignment |
| 2/5 | CHC | Max Schrock | INF | 26 | 0.075 | Designated for assignment |
| 2/5 | DET | Travis Demeritte | OF | 26 | 0.152 | Designated for assignment |
| 2/5 | ATL | Kyle Garlick | OF | 29 | 0.163 | Designated for assignment |
| 2/4 | SFG | Luis Alexander Basabe | OF | 24 | 0.058 | Designated for assignment |
| 2/3 | BOS | Joel Payamps | SP/RP | 27 | 0.064 | Designated for assignment |
| 2/1 | NYM | Robel García | INF | 28 | 0.061 | Designated for assignment |
| 2/1 | BAL | Chris Shaw | 1B/OF | 27 | 0.060 | Cleared waivers; outrighted to minors |
| 2/1 | CHW | Emilio Vargas | SP | 24 | 0.000 | Designated for assignment |
| 1/29 | PHI | Ian Hamilton | RP | 26 | 0.114 | Designated for assignment |
| 1/29 | DET | Sergio Alcántara | INF | 24 | 0.050 | Designated for assignment |
| 1/29 | PIT | Troy Stokes Jr. | OF | 25 | 0.144 | Cleared waivers; outrighted to minors |
| 1/28 | MIA | Jordan Yamamoto | SP | 25 | 0.154 | Designated for assignment |
| 1/27 | TOR | Anthony Castro | SP/RP | 26 | 0.033 | Cleared waivers; outrighted to minors |
| 1/26 | BAL | Chris Shaw | 1B/OF | 27 | 0.060 | Designated for assignment |
| 1/24 | PIT | Troy Stokes Jr. | OF | 25 | 0.144 | Designated for assignment |
| 1/23 | ATL | Kyle Garlick | OF | 29 | 0.163 | Claimed off waivers from Phillies |
| 1/22 | HOU | Humberto Castellanos | RP | 23 | 0.092 | Designated for assignment |
| 1/21 | TOR | Anthony Castro | SP | 26 | 0.033 | Designated for assignment |
| 1/18 | PHI | Víctor Arano | RP | 26 | 2.020 | Designated for assignment |
| 1/18 | PHI | Kyle Garlick | OF | 29 | 0.163 | Designated for assignment |
| 1/15 | TOR | Walker Lockett | SP/RP | 27 | 1.066 | Released |
| 1/12 | PIT | Nik Turley | RP | 31 | 1.143 | Designated for assignment |
| 1/6 | DET | Eric Haase | C | 28 | 0.099 | Cleared waivers; outrighted to minors |
| 1/5 | DET | Troy Stokes Jr. | OF | 25 | 0.144 | Designated for assignment |
| 1/3 | MIA | Stephen Tarpley | RP | 28 | 1.130 | Designated for assignment |
| 12/31 | SDP | Greg Allen | OF | 28 | 2.010 | Designated for assignment |
| 12/26 | TEX | Art Warren | RP | 28 | 0.023 | Designated for assignment |
| 12/23 | DET | Eric Haase | C | 28 | 0.099 | Designated for assignment |
| 12/22 | CHC | Phillip Ervin | OF | 28 | 2.115 | Claimed off waivers from Mariners |
| 12/18 | SEA | Tim Lopes | OF/INF | 27 | 1.055 | Designated for assignment |
| 12/16 | SEA | Phillip Ervin | OF | 28 | 2.115 | Designated for assignment |
| 12/11 | TEX | Scott Heineman | OF/1B | 28 | 1.116 | Designated for assignment |
| 12/10 | ARI | Zach Pop | RP | 24 | Selected from Orioles in Rule 5 draft | |
| 12/10 | CHC | Gray Fenter | SP/RP | 25 | Selected from Orioles in Rule 5 draft | |
| 12/10 | PHI | Kyle Holder | INF | 27 | Selected from Yankees in Rule 5 draft | |
| 12/10 | NYM | Luis Oviedo | SP/RP | 22 | Selected from Cleveland in Rule 5 draft | |
| 12/10 | LAA | Jose Alberto Rivera | SP/RP | 24 | Selected from Astros in Rule 5 draft | |
| 12/7 | TOR | Walker Lockett | RP/SP | 27 | 1.066 | Claimed off waivers from Mariners |
| 12/7 | BOS | Yairo Muñoz | OF/INF | 26 | 2.060 | Outrighted to minors |
| 12/7 | BAL | Ashton Goudeau | SP/RP | 28 | 0.092 | Claimed off waivers from Pirates |
| 12/7 | PHI | Ian Hamilton | RP | 26 | 0.114 | Claimed off waivers from Mariners |
| 12/7 | BAL | Austin Wynns | C | 30 | 1.016 | Outrighted to minors |
| 12/2 | PIT | Will Craig | 1B | 26 | 0.014 | Cleared waivers; outrighted to minors |
| 12/1 | KCR | Carlos Sanabria | RP | 24 | 0.031 | Designated for assignment |
| 11/30 | MIA | José Ureña | SP | 29 | 5.040 | Designated for assignment |
| 11/30 | KCR | Foster Griffin | SP | 25 | 1.000 | Designated for assignment |
| 11/25 | BOS | Robert Stock | RP | 31 | 1.123 | Designated for assignment |
| 11/25 | BOS | Ryan Weber | SP/RP | 30 | 2.138 | Cleared waivers; outrighted to minors |
| 11/25 | BOS | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Diamondbacks |
| 11/25 | COL | Jesus Tinoco | RP | 26 | 0.135 | Cleared waivers; outrighted to minors |
| 11/25 | PIT | Ashton Goudeau | SP/RP | 28 | 0.092 | Claimed off waivers from Rockies |
| 11/25 | KCR | Gabe Speier | RP | 26 | 0.105 | Cleared waivers; outrighted to minors |
| 11/25 | CLE | Adam Cimber | RP | 30 | 2.139 | Designated for assignment |
| 11/25 | PIT | Will Craig | 1B | 26 | 0.014 | Designated for assignment |
| 11/25 | BAL | Thomas Eshelman | SP | 27 | 1.028 | Designated for assignment |
| 11/25 | BOS | Matt Hall | SP/RP | 27 | 0.128 | Cleared waivers; outrighted to minors |
| 11/25 | CLE | Jordan Humphreys | SP | 25 | 0.000 | Claimed off waivers from Giants |
| 11/20 | BAL | Mike Baumann | SP | Contract selected from minors | ||
| 11/20 | ARI | Junior Guerra | RP | 36 | 4.155 | Designated for assignment |
| 11/20 | CLE | Gabriel Arias | INF | 31 | Contract selected from minors | |
| 11/20 | BOS | Ryan Weber | SP/RP | 30 | 2.138 | Designated for assignment |
| 11/20 | PIT | José Osuna | INF/OF | 28 | 3.036 | Designated for assignment |
| 11/20 | TBR | Hunter Renfroe | OF | 29 | 3.165 | Designated for assignment |
| 11/20 | PIT | Trevor Williams | SP | 29 | 4.027 | Designated for assignment |
| 11/20 | BAL | Renato Núñez | 1B | 27 | 2.167 | Designated for assignment |
| 11/20 | SFG | Aramis Garcia | C | 28 | 1.086 | Designated for assignment |
| 11/20 | SDP | Luis Perdomo | RP | 28 | 4.072 | Designated for assignment |
| 11/20 | ARI | Joel Payamps | SP/RP | 27 | 0.064 | Designated for assignment |
| 11/20 | BOS | Kyle Hart | SP | 28 | 0.128 | Outrighted to minors |
| 11/20 | SDP | Reggie Lawson | SP | 29 | Contract selected from minors | |
| 11/20 | ATL | Jack Mayfield | INF | 30 | 1.030 | Claimed off waivers from Astros |
| 11/20 | SFG | Chris Shaw | 1B/OF | 27 | 0.060 | Designated for assignment |
| 11/20 | COL | Jesus Tinoco | RP | 26 | 0.135 | Designated for assignment |
| 11/20 | COL | Ashton Goudeau | SP/RP | 28 | 0.092 | Designated for assignment |
| 11/20 | CHC | Keegan Thompson | SP | 26 | Contract selected from minors | |
| 11/20 | COL | Bret Boswell | INF/OF | 26 | Contract selected from minors | |
| 11/20 | MIN | Bailey Ober | SP | 25 | Contract selected from minors | |
| 11/20 | TOR | Joshua Palacios | OF | 25 | Contract selected from minors | |
| 11/20 | KCR | Glenn Sparkman | RP | 29 | 3.001 | Designated for assignment |
| 11/20 | KCR | Gabe Speier | RP | 26 | 0.105 | Designated for assignment |
| 11/20 | ARI | Domingo Leyba | INF | 25 | 0.042 | Outrighted to minors |
| 11/20 | BAL | Alex Wells | SP | 24 | Contract selected from minors | |
| 11/20 | TOR | Riley Adams | C | 25 | Contract selected from minors | |
| 11/20 | ARI | J.B. Bukauskas | SP | 24 | Contract selected from minors | |
| 11/20 | OAK | Greg Deichmann | OF | 26 | Contract selected from minors | |
| 11/20 | DET | Alex Faedo | SP | 25 | Contract selected from minors | |
| 11/20 | ARI | Stuart Fairchild | OF | 25 | Contract selected from minors | |
| 11/20 | COL | Lucas Gilbreath | SP | 25 | Contract selected from minors | |
| 11/20 | LAD | Andre Jackson | SP | 25 | Contract selected from minors | |
| 11/20 | CHW | Tyler Johnson | RP | 25 | Contract selected from minors | |
| 11/20 | DET | Alex Lange | SP | 25 | Contract selected from minors | |
| 11/20 | HOU | Peter Solomon | SP | 24 | Contract selected from minors | |
| 11/20 | BOS | Connor Wong | C | 25 | Contract selected from minors | |
| 11/20 | TBR | Brian O'Grady | OF | 29 | 0.073 | Designated for assignment |
| 11/20 | BOS | Connor Seabold | SP | 25 | Contract selected from minors | |
| 11/20 | CHW | Gavin Sheets | 1B | 25 | Contract selected from minors | |
| 11/20 | ARI | Rogelio Armenteros | SP | 27 | 1.018 | Claimed off waivers from Astros |
| 11/20 | BOS | Eduard Bazardo | RP | 25 | Contract selected from minors | |
| 11/20 | CIN | Vladimir Gutierrez | SP | 25 | Contract selected from minors | |
| 11/20 | PHI | Bailey Falter | SP | 24 | Contract selected from minors | |
| 11/20 | HOU | Tyler Ivey | SP | 25 | Contract selected from minors | |
| 11/20 | BOS | Matt Hall | SP/RP | 27 | 0.128 | Designated for assignment |
| 11/20 | OAK | Wandisson Charles | RP | 24 | Contract selected from minors | |
| 11/20 | KCR | Daniel Tillo | SP | 25 | Contract selected from minors | |
| 11/20 | KCR | Chance Adams | SP/RP | 26 | 1.042 | Outrighted to minors |
| 11/20 | SFG | Jordan Humphreys | SP | 25 | 0.000 | Designated for assignment |
| 11/20 | PHI | Nick Maton | INF | 24 | Contract selected from minors | |
| 11/20 | SFG | Kervin Castro | SP | 22 | Contract selected from minors | |
| 11/20 | KCR | Sebastián Rivero | C | 22 | Contract selected from minors | |
| 11/20 | PHI | Símon Muzziotti | OF | 22 | Contract selected from minors | |
| 11/20 | MIL | Mario Feliciano | C | 22 | Contract selected from minors | |
| 11/20 | BOS | Jay Groome | SP | 22 | Contract selected from minors | |
| 11/20 | CLE | Nolan Jones | 3B | 23 | Contract selected from minors | |
| 11/20 | KCR | Khalil Lee | OF | 23 | Contract selected from minors | |
| 11/20 | TBR | Josh Lowe | OF | 23 | Contract selected from minors | |
| 11/20 | DET | Matt Manning | SP | 23 | Contract selected from minors | |
| 11/20 | MIN | Ben Rortvedt | C | 23 | Contract selected from minors | |
| 11/20 | SDP | Mason Thompson | SP | 23 | Contract selected from minors | |
| 11/20 | SEA | Taylor Trammell | OF | 23 | Contract selected from minors | |
| 11/20 | COL | Colton Welker | 3B/1B | 23 | Contract selected from minors | |
| 11/20 | DET | Joey Wentz | SP | 23 | Contract selected from minors | |
| 11/20 | HOU | Forrest Whitley | SP | 23 | Contract selected from minors | |
| 11/20 | MIN | Jordan Balazovic | SP | 22 | Contract selected from minors | |
| 11/20 | MIA | Jerar Encarnacion | OF | 23 | Contract selected from minors | |
| 11/20 | SFG | Gregory Santos | SP | 21 | Contract selected from minors | |
| 11/20 | CHC | Christopher Morel | 3B | 22 | Contract selected from minors | |
| 11/20 | TEX | Yerry Rodríguez | SP | 23 | Contract selected from minors | |
| 11/20 | BAL | Yusniel Díaz | OF | 24 | Contract selected from minors | |
| 11/20 | PIT | Rodolfo Castro | INF | 22 | Contract selected from minors | |
| 11/20 | SFG | Camilo Doval | RP | 23 | Contract selected from minors | |
| 11/20 | ARI | Luis Frías | SP | 23 | Contract selected from minors | |
| 11/20 | BOS | Bryan Mata | SP | 22 | Contract selected from minors | |
| 11/20 | MIL | Dylan File | SP | 25 | Contract selected from minors | |
| 11/20 | PIT | Max Kranick | SP | 23 | Contract selected from minors | |
| 11/20 | BOS | Hudson Potts | INF | 22 | Contract selected from minors | |
| 11/20 | LAA | Brandon Marsh | OF | 23 | Contract selected from minors | |
| 11/20 | CLE | Eli Morgan | SP | 25 | Contract selected from minors | |
| 11/20 | CHW | Jake Burger | 3B | 25 | Contract selected from minors | |
| 11/20 | LAA | Chris Rodriguez | SP | 22 | Contract selected from minors | |
| 11/20 | NYY | Alexander Vizcaíno | SP | 24 | Contract selected from minors | |
| 11/20 | TEX | A.J. Alexy | SP | 23 | Contract selected from minors | |
| 11/20 | SEA | Wyatt Mills | RP | 26 | Contract selected from minors | |
| 11/20 | TBR | Taylor Walls | INF | 24 | Contract selected from minors | |
| 11/20 | LAD | Edwin Uceta | SP | 23 | Contract selected from minors | |
| 11/20 | HOU | Freudis Nova | INF | 21 | Contract selected from minors | |
| 11/20 | BOS | Jeisson Rosario | OF | 21 | Contract selected from minors | |
| 11/20 | TEX | David García | C | 21 | Contract selected from minors | |
| 11/20 | WSN | Yasel Antuna | INF | 21 | Contract selected from minors | |
| 11/20 | COL | Helcris Olivárez | SP | 20 | Contract selected from minors | |
| 11/20 | TOR | Gabriel Moreno | C | 21 | Contract selected from minors | |
| 11/20 | KCR | Angel Zerpa | SP | 21 | Contract selected from minors | |
| 11/20 | LAD | Gerardo Carrillo | SP | 22 | Contract selected from minors | |
| 11/20 | TOR | Otto Lopez | INF | 22 | Contract selected from minors | |
| 11/20 | ARI | Geraldo Perdomo | SS | 21 | Contract selected from minors | |
| 11/20 | MIA | José Devers | INF | 21 | Contract selected from minors | |
| 11/20 | NYY | Roansy Contreras | SP | 21 | Contract selected from minors | |
| 11/20 | NYY | Oswald Peraza | INF | 21 | Contract selected from minors | |
| 11/20 | SEA | Juan Then | SP | 21 | Contract selected from minors | |
| 11/20 | SFG | Alexander Canario | OF | 21 | Contract selected from minors | |
| 11/20 | SDP | Tucupita Marcano | INF | 21 | Contract selected from minors | |
| 11/20 | NYY | Yoendrys Gómez | SP | 21 | Contract selected from minors | |
| 11/20 | HOU | Jairo Solis | SP | 21 | Contract selected from minors | |
| 11/20 | PHI | Francisco Morales | SP | 21 | Contract selected from minors | |
| 11/20 | CLE | Carlos Vargas | SP | 21 | Contract selected from minors | |
| 11/20 | WSN | Joan Adon | SP | 22 | Contract selected from minors | |
| 11/20 | OAK | Luis Romero | RP | 27 | Contract selected from minors | |
| 11/20 | BAL | Zac Lowther | SP | 25 | Contract selected from minors | |
| 11/20 | PHI | Kyle Dohy | RP | 24 | Contract selected from minors | |
| 11/20 | TBR | Drew Strotman | SP | 24 | Contract selected from minors | |
| 11/20 | PHI | Damon Jones | SP | 26 | Contract selected from minors | |
| 11/20 | CHC | Cory Abbott | SP | 25 | Contract selected from minors | |
| 11/20 | CLE | Ernie Clement | INF | 25 | Contract selected from minors | |
| 11/20 | MIL | Alec Bettinger | SP | 25 | Contract selected from minors | |
| 11/20 | CIN | Riley O'Brien | SP | 26 | Contract selected from minors | |
| 11/20 | BAL | Rylan Bannon | INF | 25 | Contract selected from minors | |
| 11/20 | LAD | Zach Reks | SP | 27 | Contract selected from minors | |
| 11/20 | CIN | Jared Solomon | SP | 24 | Contract selected from minors | |
| 11/20 | TOR | Ty Tice | RP | 24 | Contract selected from minors | |
| 11/20 | BAL | Isaac Mattson | RP | 25 | Contract selected from minors | |
| 11/20 | ARI | Matt Peacock | SP | 27 | Contract selected from minors | |
| 11/20 | SEA | Sam Delaplane | RP | 26 | Contract selected from minors | |
| 11/19 | ATL | Kyle Muller | SP | 23 | Contract selected from minors | |
| 11/19 | STL | Angel Rondón | SP | 23 | Contract selected from minors | |
| 11/18 | NYM | Robinson Canó | 2B | 38 | 15.076 | Placed on Restricted List |
| 11/18 | STL | Iván Herrera | C | 21 | Contract selected from minors | |
| 11/1 | PIT | Nick Burdi | RP | 28 | 3.000 | Designated for assignment |
| 11/1 | PIT | Dovydas Neverauskas | RP | 28 | 1.170 | Designated for assignment |
| 11/1 | SFG | Anthony Banda | SP/RP | 27 | 1.103 | Outrighted to minors |
| 10/30 | PIT | John Ryan Murphy | C | 30 | 4.122 | Outrighted to minors |
| 10/30 | PIT | Kevin Kramer | INF/OF | 27 | 1.060 | Outrighted to minors |
| 10/30 | PIT | Yacksel Ríos | RP | 28 | 2.019 | Outrighted to minors |
| 10/30 | NYM | Nick Tropeano | RP/SP | 30 | 4.050 | Claimed off waivers from Pirates |
| 10/30 | CHC | Max Schrock | INF | 26 | 0.075 | Claimed off waivers from Cardinals |
| 10/30 | PHI | Johan Quezada | RP | 26 | 0.019 | Claimed off waivers from Marlins |
| 10/30 | WSN | Steven Fuentes | SP | 24 | 0.000 | Contract selected from minors |
| 10/30 | KCR | Carlos Sanabria | RP | 24 | 0.031 | Claimed off waivers from Astros |
| 10/29 | SEA | Kendall Graveman | RP | 30 | 5.078 | Agreed to one-year contract (2021) |
| 10/28 | MIA | Pat Venditte | RP | 36 | 2.057 | Outrighted to minors |
| 10/27 | ARI | Silvino Bracho | RP | 28 | 3.082 | Outrighted to minors |
| 10/27 | NYM | Ryan Cordell | OF | 29 | 1.055 | Designated for assignment |
| 10/27 | CIN | Joel Kuhnel | RP | 26 | 0.065 | Outrighted to minors |
| 10/26 | NYM | Robel García | INF | 28 | 0.061 | Claimed off waivers from Reds |
| 10/21 | TEX | Art Warren | RP | 28 | 0.023 | Claimed off waivers from Mariners |
| 10/19 | SEA | Brady Lail | RP | 27 | 0.154 | Outrighted to minors |
| 10/14 | CIN | Matt Davidson | 1B/3B | 30 | 3.112 | Outrighted to minors |
| 10/14 | CIN | Jesse Biddle | RP | 29 | 3.088 | Outrighted to minors |
| 10/14 | CIN | Matt Bowman | RP | 30 | 3.021 | Outrighted to minors |
| 10/13 | WSN | Raudy Read | C | 27 | 0.063 | Outrighted to minors |
| 10/12 | WSN | Javy Guerra | RP | 35 | 5.145 | Outrighted to minors |
| 10/9 | WSN | Paolo Espino | RP | 34 | 0.078 | Outrighted to minors |
| 10/9 | WSN | Aaron Barrett | RP | 33 | 3.034 | Outrighted to minors |
| 10/9 | WSN | Adrián Sanchez | INF | 30 | 1.083 | Outrighted to minors |
| 10/5 | PIT | JT Riddle | INF/OF | 29 | 2.118 | Outrighted to minors |
| 10/2 | CHC | Josh Osich | RP | 32 | 4.114 | Outrighted to minors |
| 10/2 | TEX | Yadiel Rivera | INF/OF | 29 | 2.097 | Outrighted to minors |
| 10/2 | CHW | Alex McRae | RP | 28 | 0.083 | Outrighted to minors |
| 10/1 | TBR | Sean Gilmartin | RP | 31 | 1.158 | Outrighted to minors |
| 10/1 | PIT | Andrew Susac | C | 31 | 2.012 | Outrighted to minors |
| 10/1 | ARI | Joe Mantiply | RP | 30 | 0.061 | Outrighted to minors |
| 9/30 | BAL | Evan Phillips | RP | 26 | 1.083 | Outrighted to minors |
| 2/26 | ATL | Phil Pfeifer | SP/RP | 28 | 1.000 | Cleared waivers; outrighted to minors |
| 2/16 | OAK | Nate Orf | INF/OF | 31 | 0.062 | Retired |
| 2/11 | MIL | David Freitas | C/1B | 32 | 1.026 | Released |
| 2/1 | BOS | Dustin Pedroia | 2B | 37 | 14.041 | Retired |
| 11/6 | PIT | Nick Burdi | RP | 28 | 3.000 | Outrighted to minors; elected free agency |
| 10/30 | PIT | Luke Maile | C | 30 | 4.099 | Outrighted to minors |
| 10/27 | NYY | Wynston Sawyer | C | 29 | 0.000 | Outrighted to minors; elected free agency |
| 10/27 | DET | Jorge Bonifacio | OF | 28 | 2.041 | Outrighted to minors; elected free agency |
| 10/27 | DET | Dereck Rodríguez | SP/RP | 29 | 1.102 | Outrighted to minors; elected free agency |
| 10/27 | DET | Dario Agrazal | SP/RP | 26 | 1.076 | Outrighted to minors; elected free agency |
| 10/27 | ARI | Bo Takahashi | SP | 24 | 0.002 | Outrighted to minors; elected free agency |
| 10/19 | SEA | Joe Hudson | C | 30 | 0.131 | Outrighted to minors |
| 10/6 | HOU | Joe Biagini | RP | 31 | 4.081 | Outrighted to minors |
| 9/30 | COL | James Pazos | RP | 30 | 3.035 | Outrighted to minors |
| 9/28 | CHW | Ross Detwiler | RP | 35 | 8.011 | Outrighted to minors; elected free agency |
| 9/28 | TOR | Wilmer Font | RP | 31 | 3.085 | Outrighted to minors; elected free agency |
| Date | Team | Name | Pos | Age | Service Time | Transaction Details |
|---|---|---|---|---|---|---|
| 3/21 | CHW | Nik Turley | RP | 31 | 1.143 | Claimed off waivers from Athletics |
| 3/18 | SFG | Ashton Goudeau | SP/RP | 28 | 0.092 | Claimed off waivers from Orioles |
| 3/14 | CIN | Carson Fulmer | RP/SP | 27 | 2.035 | Claimed off waivers from Pirates |
| 3/6 | TOR | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Red Sox |
| 3/6 | SDP | Jordan Humphreys | SP/RP | 25 | 0.000 | Claimed off waivers from Giants |
| 2/27 | HOU | Robel García | INF | 28 | 0.061 | Claimed off waivers from Angels |
| 2/24 | CLE | Harold Ramírez | OF | 26 | 1.142 | Claimed off waivers from Marlins |
| 2/24 | ATL | Guillermo Heredia | OF | 30 | 3.112 | Claimed off waivers from Mets |
| 2/22 | ATL | Phillip Ervin | OF | 28 | 2.115 | Claimed off waivers from Cubs |
| 2/17 | SDP | Mark Melancon | RP | 36 | 10.098 | Agreed to one-year contract (2021) |
| 2/12 | ATL | Travis Demeritte | OF | 26 | 0.152 | Claimed off waivers from Tigers |
| 2/11 | MIN | Kyle Garlick | OF | 29 | 0.163 | Claimed off waivers from Braves |
| 2/10 | CIN | Max Schrock | INF | 26 | 0.075 | Claimed off waivers from Cubs |
| 2/5 | MIN | Ian Hamilton | RP | 26 | 0.114 | Claimed off waivers from Phillies |
| 2/5 | CHC | Sergio Alcántara | INF | 24 | 0.050 | Claimed off waivers from Tigers |
| 2/3 | LAA | Robel García | INF | 28 | 0.061 | Claimed off waivers from Mets |
| 1/29 | ARI | Humberto Castellanos | RP | 23 | 0.092 | Claimed off waivers from Astros |
| 1/23 | ATL | Víctor Arano | RP | 26 | 2.020 | Claimed off waivers from Phillies |
| 1/12 | PIT | Troy Stokes Jr. | OF | 25 | 0.144 | Claimed off waivers from Tigers |
| 1/8 | NYM | Stephen Tarpley | RP | 28 | 1.130 | Claimed off waivers from Marlins |
| 12/23 | CIN | Deivy Grullón | C | 25 | 0.032 | Claimed off waivers from Red Sox |
| 12/22 | MIL | Tim Lopes | OF/INF | 27 | 1.055 | Claimed off waivers from Mariners |
| 12/10 | COL | Jordan Sheffield | RP | 26 | Selected from Dodgers in Rule 5 draft | |
| 12/10 | CLE | Trevor Stephan | SP/RP | 25 | Selected from Yankees in Rule 5 draft | |
| 12/10 | OAK | Ka'ai Tom | OF | 27 | Selected from Cleveland in Rule 5 draft | |
| 12/10 | OAK | Dany Jiménez | RP | 27 | 0.031 | Selected from Blue Jays in Rule 5 draft |
| 12/10 | PIT | José Soriano | SP/RP | 22 | Selected from Angels in Rule 5 draft | |
| 12/10 | DET | Akil Baddoo | OF | 22 | Selected from Twins in Rule 5 draft | |
| 12/10 | BAL | Mac Sceroler | SP/RP | 26 | Selected from Reds in Rule 5 draft | |
| 12/10 | MIA | Paul Campbell | SP/RP | 25 | Selected from Rays in Rule 5 draft | |
| 12/10 | BAL | Tyler Wells | SP/RP | 26 | Selected from Twins in Rule 5 draft | |
| 12/10 | LAA | Gustavo Campero | C/OF | 23 | Selected from Yankees in Rule 5 draft (AAA phase) | |
| 12/10 | SFG | Dedniel Núñez | SP/RP | 25 | Selected from Mets in Rule 5 draft | |
| 12/10 | BOS | Garrett Whitlock | SP/RP | 25 | Selected from Yankees in Rule 5 draft | |
| 12/10 | SEA | Will Vest | RP | 26 | Selected from Tigers in Rule 5 draft | |
| 12/10 | TEX | Brett de Geus | RP | 23 | Selected from Dodgers in Rule 5 draft | |
| 12/7 | TOR | Anthony Castro | SP | 26 | 0.033 | Claimed off waivers from Tigers |
| 12/7 | WSN | Rogelio Armenteros | SP | 27 | 1.018 | Claimed off waivers from Diamondbacks |
| 12/7 | SEA | Robert Dugger | SP/RP | 25 | 0.162 | Claimed off waivers from Marlins |
| 12/2 | CHC | Robert Stock | RP | 31 | 1.123 | Claimed off waivers from Red Sox |
| 11/25 | TEX | Aramis Garcia | C | 28 | 1.086 | Claimed off waivers from Giants |
| 11/25 | BAL | Chris Shaw | 1B/OF | 27 | 0.060 | Claimed off waivers from Giants |
| 11/20 | CHW | Emilio Vargas | SP | 24 | 0.000 | Claimed off waivers from Diamondbacks |
| 10/30 | BAL | Yolmer Sánchez | INF | 29 | 5.040 | Claimed off waivers from White Sox |
| 10/30 | PIT | Michael Pérez | C | 28 | 2.000 | Claimed off waivers from Rays |
| 10/30 | NYM | Jacob Barnes | RP | 31 | 4.030 | Claimed off waivers from Angels |
| 10/30 | MIN | Brandon Waddell | SP/RP | 27 | 0.067 | Claimed off waivers from Pirates |
| 10/30 | MIN | Ian Gibaut | RP | 27 | 0.138 | Claimed off waivers from Rangers |
| 10/23 | SEA | Domingo Tapia | RP | 29 | 0.047 | Claimed off waivers from Red Sox |
| 10/23 | ARI | Taylor Guilbeau | RP | 28 | 1.032 | Claimed off waivers from Mariners |
| 10/1 | PIT | Sean Poppen | SP/RP | 27 | 0.119 | Claimed off waivers from Twins |
| 4/26 | PHI | Símon Muzziotti | OF | 22 | Reinstated from Restricted List | |
| 3/31 | NYY | Justin Wilson | RP | 33 | 8.035 | Placed on 10-Day IL |
| 3/31 | NYY | Lucas Luetge | RP | 34 | 2.015 | Contract selected from minors |
| 3/31 | NYY | Zack Britton | RP | 33 | 8.158 | Placed on 60-Day IL |
| 3/31 | CLE | Bryan Shaw | RP | 33 | 8.148 | Contract selected from minors |
| 3/31 | CHC | Ildemaro Vargas | INF/OF | 29 | 2.028 | Cleared waivers; outrighted to minors |
| 3/31 | NYY | Luke Voit | 1B | 30 | 2.169 | Placed on 10-Day IL |
| 3/31 | NYY | Miguel Andujar | INF/OF | 26 | 2.117 | Placed on 10-Day IL |
| 3/31 | MIL | Tyrone Taylor | OF | 27 | 0.098 | Optioned to minors |
| 3/30 | CHW | Nik Turley | RP | 31 | 1.143 | Designated for assignment |
| 3/30 | BAL | Yolmer Sánchez | INF | 29 | 5.040 | Cleared waivers; released |
| 3/30 | BOS | Franchy Cordero | OF | 26 | 3.038 | Activated from COVID-19 IL (protocol) |
| 3/30 | NYY | Kyle Holder | INF | 27 | Returned from Reds (R5) | |
| 3/30 | BOS | John Schreiber | RP | 27 | 1.017 | Designated for assignment |
| 3/29 | WSN | Dakota Bacus | RP | 30 | 0.125 | Cleared waivers; outrighted to minors |
| 3/29 | WSN | Jake Noll | INF | 27 | 0.056 | Cleared waivers; outrighted to minors |
| 3/28 | CHC | Ildemaro Vargas | INF/OF | 29 | 2.028 | Designated for assignment |
| 3/28 | WSN | Dakota Bacus | RP | 30 | 0.125 | Designated for assignment |
| 3/28 | PHI | C.J. Chatham | INF | 26 | 0.000 | Released |
| 3/27 | BAL | Yolmer Sánchez | INF | 29 | 5.040 | Designated for assignment |
| 3/27 | ATL | Jake Lamb | 3B/1B | 30 | 6.053 | Released |
| 3/27 | CIN | Noé Ramirez | RP | 31 | 3.139 | Released |
| 3/27 | CLE | Beau Taylor | C | 31 | 0.168 | Designated for assignment |
| 3/27 | ATL | Phillip Ervin | OF | 28 | 2.115 | Designated for assignment |
| 3/27 | WSN | Jake Noll | INF | 27 | 0.056 | Designated for assignment |
| 3/26 | ATL | Abraham Almonte | OF | 32 | 4.059 | Outrighed to minors |
| 3/26 | PHI | Símon Muzziotti | OF | 22 | Placed on Restricted List | |
| 3/24 | HOU | Jose Alberto Rivera | SP/RP | 24 | Returned from Athletics (R5) | |
| 3/15 | TOR | Dany Jiménez | RP | 27 | 0.031 | Returned from Athletics (R5) |
| 3/12 | BAL | Gray Fenter | SP/RP | 25 | Returned from Cubs (R5) | |
| 3/10 | TOR | Jacob Waguespack | SP/RP | 27 | 1.091 | Cleared waivers; outrighted to minors |
| 3/7 | PIT | Carson Fulmer | RP | 27 | 2.035 | Designated for assignment |
| 3/7 | BOS | Kevin Plawecki | C | 30 | 4.167 | Activated from COVID-19 IL |
| 3/6 | TOR | Jacob Waguespack | SP/RP | 27 | 1.091 | Designated for assignment |
| 3/5 | LAA | Gerardo Reyes | RP | 28 | 0.074 | Outrighted to minors |
| 3/2 | CHC | Robert Stock | RP | 31 | 1.123 | Cleared waivers; outrighted to minors |
| 3/2 | CHC | Duane Underwood Jr. | RP | 26 | 1.044 | Designated for assignment |
| 3/2 | LAA | José Quijada | RP | 25 | 0.143 | Placed on Restricted List |
| 3/1 | BOS | Marcus Walden | RP | 32 | 2.000 | Cleared waivers; outrighted to minors |
| 3/1 | ARI | Keury Mella | RP | 27 | 0.170 | Cleared waivers; outrighted to minors |
| 3/1 | NYY | Greg Allen | OF | 28 | 2.010 | Cleared waivers; outrighted to minors |
| 2/28 | TOR | Breyvic Valera | INF/OF | 29 | 0.121 | Reinstated from Restricted List |
| 2/27 | OAK | Paul Blackburn | SP/RP | 27 | 1.143 | Cleared waivers; outrighted to minors |
| 2/26 | CHC | Robert Stock | RP | 31 | 1.123 | Designated for assignment |
| 2/26 | ARI | Keury Mella | RP | 27 | 0.170 | Designated for assignment |
| 2/26 | ARI | Travis Bergen | RP | 27 | 1.046 | Designated for assignment |
| 2/26 | SFG | Jordan Humphreys | SP | 25 | 0.000 | Claimed off waivers from Cleveland |
| 2/26 | ARI | Luis Frías | SP | 23 | Activated from COVID-19 IL | |
| 2/25 | LAA | Robel García | INF | 28 | 0.061 | Designated for assignment |
| 2/25 | SFG | Trevor Gott | RP | 28 | 3.048 | Cleared waivers; outrighted to minors |
| 2/24 | BOS | Marcus Walden | RP | 32 | 2.000 | Designated for assignment |
| 2/24 | ATL | Jack Mayfield | INF | 30 | 1.030 | Designated for assignment |
| 2/24 | PIT | Austin Davis | RP | 28 | 1.105 | Placed on 60-Day IL |
| 2/24 | CLE | Jordan Humphreys | SP/RP | 25 | 0.000 | Designated for assignment |
| 2/23 | ATL | Phil Pfeifer | SP/RP | 28 | 1.000 | Designated for assignment |
| 2/23 | OAK | Paul Blackburn | SP/RP | 27 | 1.143 | Designated for assignment |
| 2/23 | NYY | Greg Allen | OF | 28 | 2.010 | Designated for assignment |
| 2/23 | SEA | Robert Dugger | SP/RP | 25 | 0.162 | Cleared waivers; outrighted to minors |
| 2/22 | BOS | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Blue Jays |
| 2/22 | OAK | Dustin Fowler | OF | 26 | 1.039 | Designated for assignment |
| 2/21 | COL | Ian Desmond | OF/1B | 35 | 10.027 | Placed on Restricted List (opt out) |
| 2/21 | NYM | Guillermo Heredia | OF | 30 | 3.112 | Designated for assignment |
| 2/21 | ATL | Travis Demeritte | OF | 26 | 0.152 | Outrighted to minors |
| 2/21 | SFG | Trevor Gott | RP | 28 | 3.048 | Designated for assignment |
| 2/20 | NYM | Noah Syndergaard | SP | 28 | 5.149 | Placed on 60-Day IL |
| 2/20 | TEX | Jimmy Herget | RP | 27 | 1.033 | Cleared waivers; outrighted to minors |
| 2/20 | CHC | Phillip Ervin | OF | 28 | 2.115 | Designated for assignment |
| 2/20 | CHC | Sergio Alcántara | INF | 24 | 0.050 | Cleared waivers; outrighted to minors |
| 2/19 | MIN | Ian Gibaut | RP | 27 | 0.138 | Outrighted to minors |
| 2/19 | SEA | Robert Dugger | SP/RP | 25 | 0.162 | Designated for assignment |
| 2/18 | CHC | Sergio Alcántara | INF | 24 | 0.050 | Designated for assignment |
| 2/17 | MIA | Harold Ramírez | OF | 26 | 1.142 | Designated for assignment |
| 2/16 | BOS | Jeffrey Springs | RP/SP | 28 | 2.043 | Designated for assignment |
| 2/16 | NYM | Corey Oswalt | SP/RP | 27 | 1.052 | Cleared waivers; outrighted to minors |
| 2/16 | TEX | Jimmy Herget | RP | 27 | 1.033 | Designated for assignment |
| 2/16 | MIN | Ian Hamilton | RP | 26 | 0.114 | Cleared waivers; outrighted to minors |
| 2/12 | LAA | Dillon Peters | SP | 28 | 1.089 | Cleared waivers; outrighted to minors |
| 2/12 | BOS | Chris Mazza | SP/RP | 31 | 0.162 | Designated for assignment |
| 2/12 | ARI | Taylor Guilbeau | RP | 28 | 1.032 | Cleared waivers; outrighted to minors |
| 2/12 | MIN | Ian Hamilton | RP | 26 | 0.114 | Designated for assignment |
| 2/12 | MIN | Brandon Waddell | SP/RP | 27 | 0.067 | Cleared waivers; outrighted to minors |
| 2/12 | TEX | Adolis García | OF | 28 | 0.095 | Cleared waivers; outrighted to minors |
| 2/12 | DET | John Schreiber | RP | 27 | 1.017 | Designated for assignment |
| 2/11 | NYM | Brad Brach | RP | 35 | 8.063 | Designated for assignment |
| 2/11 | TOR | Derek Fisher | OF | 27 | 2.061 | Designated for assignment |
| 2/11 | LAD | Josh Sborz | RP | 27 | 0.113 | Designated for assignment |
| 2/11 | SFG | Luis Alexander Basabe | OF | 24 | 0.058 | Cleared waivers; outrighted to minors |
| 2/11 | MIN | Brandon Waddell | SP/RP | 27 | 0.067 | Designated for assignment |
| 2/11 | TOR | Shun Yamaguchi | RP/SP | 33 | 1.000 | Designated for assignment |
| 2/10 | TOR | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Red Sox |
| 2/10 | NYM | Corey Oswalt | SP/RP | 27 | 1.052 | Designated for assignment |
| 2/10 | NYY | Ben Heller | RP | 29 | 3.021 | Designated for assignment |
| 2/10 | NYM | Ali Sánchez | C | 24 | 0.047 | Designated for assignment |
| 2/10 | TEX | Adolis García | OF | 28 | 0.095 | Designated for assignment |
| 2/8 | LAA | Dillon Peters | SP/RP | 28 | 1.089 | Designated for assignment |
| 2/8 | CHW | Emilio Vargas | SP | 24 | 0.000 | Cleared waivers; outrighted to minors |
| 2/6 | ARI | Taylor Guilbeau | RP | 28 | 1.032 | Designated for assignment |
| 2/5 | CHC | Max Schrock | INF | 26 | 0.075 | Designated for assignment |
| 2/5 | DET | Travis Demeritte | OF | 26 | 0.152 | Designated for assignment |
| 2/5 | ATL | Kyle Garlick | OF | 29 | 0.163 | Designated for assignment |
| 2/4 | SFG | Luis Alexander Basabe | OF | 24 | 0.058 | Designated for assignment |
| 2/3 | BOS | Joel Payamps | SP/RP | 27 | 0.064 | Designated for assignment |
| 2/1 | NYM | Robel García | INF | 28 | 0.061 | Designated for assignment |
| 2/1 | BAL | Chris Shaw | 1B/OF | 27 | 0.060 | Cleared waivers; outrighted to minors |
| 2/1 | CHW | Emilio Vargas | SP | 24 | 0.000 | Designated for assignment |
| 1/29 | PHI | Ian Hamilton | RP | 26 | 0.114 | Designated for assignment |
| 1/29 | DET | Sergio Alcántara | INF | 24 | 0.050 | Designated for assignment |
| 1/29 | PIT | Troy Stokes Jr. | OF | 25 | 0.144 | Cleared waivers; outrighted to minors |
| 1/28 | MIA | Jordan Yamamoto | SP | 25 | 0.154 | Designated for assignment |
| 1/27 | TOR | Anthony Castro | SP/RP | 26 | 0.033 | Cleared waivers; outrighted to minors |
| 1/26 | BAL | Chris Shaw | 1B/OF | 27 | 0.060 | Designated for assignment |
| 1/24 | PIT | Troy Stokes Jr. | OF | 25 | 0.144 | Designated for assignment |
| 1/23 | ATL | Kyle Garlick | OF | 29 | 0.163 | Claimed off waivers from Phillies |
| 1/22 | HOU | Humberto Castellanos | RP | 23 | 0.092 | Designated for assignment |
| 1/21 | TOR | Anthony Castro | SP | 26 | 0.033 | Designated for assignment |
| 1/18 | PHI | Víctor Arano | RP | 26 | 2.020 | Designated for assignment |
| 1/18 | PHI | Kyle Garlick | OF | 29 | 0.163 | Designated for assignment |
| 1/15 | TOR | Walker Lockett | SP/RP | 27 | 1.066 | Released |
| 1/12 | PIT | Nik Turley | RP | 31 | 1.143 | Designated for assignment |
| 1/6 | DET | Eric Haase | C | 28 | 0.099 | Cleared waivers; outrighted to minors |
| 1/5 | DET | Troy Stokes Jr. | OF | 25 | 0.144 | Designated for assignment |
| 1/3 | MIA | Stephen Tarpley | RP | 28 | 1.130 | Designated for assignment |
| 12/31 | SDP | Greg Allen | OF | 28 | 2.010 | Designated for assignment |
| 12/26 | TEX | Art Warren | RP | 28 | 0.023 | Designated for assignment |
| 12/23 | DET | Eric Haase | C | 28 | 0.099 | Designated for assignment |
| 12/22 | CHC | Phillip Ervin | OF | 28 | 2.115 | Claimed off waivers from Mariners |
| 12/18 | SEA | Tim Lopes | OF/INF | 27 | 1.055 | Designated for assignment |
| 12/16 | SEA | Phillip Ervin | OF | 28 | 2.115 | Designated for assignment |
| 12/11 | TEX | Scott Heineman | OF/1B | 28 | 1.116 | Designated for assignment |
| 12/10 | ARI | Zach Pop | RP | 24 | Selected from Orioles in Rule 5 draft | |
| 12/10 | CHC | Gray Fenter | SP/RP | 25 | Selected from Orioles in Rule 5 draft | |
| 12/10 | PHI | Kyle Holder | INF | 27 | Selected from Yankees in Rule 5 draft | |
| 12/10 | NYM | Luis Oviedo | SP/RP | 22 | Selected from Cleveland in Rule 5 draft | |
| 12/10 | LAA | Jose Alberto Rivera | SP/RP | 24 | Selected from Astros in Rule 5 draft | |
| 12/7 | TOR | Walker Lockett | RP/SP | 27 | 1.066 | Claimed off waivers from Mariners |
| 12/7 | BOS | Yairo Muñoz | OF/INF | 26 | 2.060 | Outrighted to minors |
| 12/7 | BAL | Ashton Goudeau | SP/RP | 28 | 0.092 | Claimed off waivers from Pirates |
| 12/7 | PHI | Ian Hamilton | RP | 26 | 0.114 | Claimed off waivers from Mariners |
| 12/7 | BAL | Austin Wynns | C | 30 | 1.016 | Outrighted to minors |
| 12/2 | PIT | Will Craig | 1B | 26 | 0.014 | Cleared waivers; outrighted to minors |
| 12/1 | KCR | Carlos Sanabria | RP | 24 | 0.031 | Designated for assignment |
| 11/30 | MIA | José Ureña | SP | 29 | 5.040 | Designated for assignment |
| 11/30 | KCR | Foster Griffin | SP | 25 | 1.000 | Designated for assignment |
| 11/25 | BOS | Robert Stock | RP | 31 | 1.123 | Designated for assignment |
| 11/25 | BOS | Ryan Weber | SP/RP | 30 | 2.138 | Cleared waivers; outrighted to minors |
| 11/25 | BOS | Joel Payamps | SP/RP | 27 | 0.064 | Claimed off waivers from Diamondbacks |
| 11/25 | COL | Jesus Tinoco | RP | 26 | 0.135 | Cleared waivers; outrighted to minors |
| 11/25 | PIT | Ashton Goudeau | SP/RP | 28 | 0.092 | Claimed off waivers from Rockies |
| 11/25 | KCR | Gabe Speier | RP | 26 | 0.105 | Cleared waivers; outrighted to minors |
| 11/25 | CLE | Adam Cimber | RP | 30 | 2.139 | Designated for assignment |
| 11/25 | PIT | Will Craig | 1B | 26 | 0.014 | Designated for assignment |
| 11/25 | BAL | Thomas Eshelman | SP | 27 | 1.028 | Designated for assignment |
| 11/25 | BOS | Matt Hall | SP/RP | 27 | 0.128 | Cleared waivers; outrighted to minors |
| 11/25 | CLE | Jordan Humphreys | SP | 25 | 0.000 | Claimed off waivers from Giants |
| 11/20 | BAL | Mike Baumann | SP | Contract selected from minors | ||
| 11/20 | ARI | Junior Guerra | RP | 36 | 4.155 | Designated for assignment |
| 11/20 | CLE | Gabriel Arias | INF | 31 | Contract selected from minors | |
| 11/20 | BOS | Ryan Weber | SP/RP | 30 | 2.138 | Designated for assignment |
| 11/20 | PIT | José Osuna | INF/OF | 28 | 3.036 | Designated for assignment |
| 11/20 | TBR | Hunter Renfroe | OF | 29 | 3.165 | Designated for assignment |
| 11/20 | PIT | Trevor Williams | SP | 29 | 4.027 | Designated for assignment |
| 11/20 | BAL | Renato Núñez | 1B | 27 | 2.167 | Designated for assignment |
| 11/20 | SFG | Aramis Garcia | C | 28 | 1.086 | Designated for assignment |
| 11/20 | SDP | Luis Perdomo | RP | 28 | 4.072 | Designated for assignment |
| 11/20 | ARI | Joel Payamps | SP/RP | 27 | 0.064 | Designated for assignment |
| 11/20 | BOS | Kyle Hart | SP | 28 | 0.128 | Outrighted to minors |
| 11/20 | SDP | Reggie Lawson | SP | 29 | Contract selected from minors | |
| 11/20 | ATL | Jack Mayfield | INF | 30 | 1.030 | Claimed off waivers from Astros |
| 11/20 | SFG | Chris Shaw | 1B/OF | 27 | 0.060 | Designated for assignment |
| 11/20 | COL | Jesus Tinoco | RP | 26 | 0.135 | Designated for assignment |
| 11/20 | COL | Ashton Goudeau | SP/RP | 28 | 0.092 | Designated for assignment |
| 11/20 | CHC | Keegan Thompson | SP | 26 | Contract selected from minors | |
| 11/20 | COL | Bret Boswell | INF/OF | 26 | Contract selected from minors | |
| 11/20 | MIN | Bailey Ober | SP | 25 | Contract selected from minors | |
| 11/20 | TOR | Joshua Palacios | OF | 25 | Contract selected from minors | |
| 11/20 | KCR | Glenn Sparkman | RP | 29 | 3.001 | Designated for assignment |
| 11/20 | KCR | Gabe Speier | RP | 26 | 0.105 | Designated for assignment |
| 11/20 | ARI | Domingo Leyba | INF | 25 | 0.042 | Outrighted to minors |
| 11/20 | BAL | Alex Wells | SP | 24 | Contract selected from minors | |
| 11/20 | TOR | Riley Adams | C | 25 | Contract selected from minors | |
| 11/20 | ARI | J.B. Bukauskas | SP | 24 | Contract selected from minors | |
| 11/20 | OAK | Greg Deichmann | OF | 26 | Contract selected from minors | |
| 11/20 | DET | Alex Faedo | SP | 25 | Contract selected from minors | |
| 11/20 | ARI | Stuart Fairchild | OF | 25 | Contract selected from minors | |
| 11/20 | COL | Lucas Gilbreath | SP | 25 | Contract selected from minors | |
| 11/20 | LAD | Andre Jackson | SP | 25 | Contract selected from minors | |
| 11/20 | CHW | Tyler Johnson | RP | 25 | Contract selected from minors | |
| 11/20 | DET | Alex Lange | SP | 25 | Contract selected from minors | |
| 11/20 | HOU | Peter Solomon | SP | 24 | Contract selected from minors | |
| 11/20 | BOS | Connor Wong | C | 25 | Contract selected from minors | |
| 11/20 | TBR | Brian O'Grady | OF | 29 | 0.073 | Designated for assignment |
| 11/20 | BOS | Connor Seabold | SP | 25 | Contract selected from minors | |
| 11/20 | CHW | Gavin Sheets | 1B | 25 | Contract selected from minors | |
| 11/20 | ARI | Rogelio Armenteros | SP | 27 | 1.018 | Claimed off waivers from Astros |
| 11/20 | BOS | Eduard Bazardo | RP | 25 | Contract selected from minors | |
| 11/20 | CIN | Vladimir Gutierrez | SP | 25 | Contract selected from minors | |
| 11/20 | PHI | Bailey Falter | SP | 24 | Contract selected from minors | |
| 11/20 | HOU | Tyler Ivey | SP | 25 | Contract selected from minors | |
| 11/20 | BOS | Matt Hall | SP/RP | 27 | 0.128 | Designated for assignment |
| 11/20 | OAK | Wandisson Charles | RP | 24 | Contract selected from minors | |
| 11/20 | KCR | Daniel Tillo | SP | 25 | Contract selected from minors | |
| 11/20 | KCR | Chance Adams | SP/RP | 26 | 1.042 | Outrighted to minors |
| 11/20 | SFG | Jordan Humphreys | SP | 25 | 0.000 | Designated for assignment |
| 11/20 | PHI | Nick Maton | INF | 24 | Contract selected from minors | |
| 11/20 | SFG | Kervin Castro | SP | 22 | Contract selected from minors | |
| 11/20 | KCR | Sebastián Rivero | C | 22 | Contract selected from minors | |
| 11/20 | PHI | Símon Muzziotti | OF | 22 | Contract selected from minors | |
| 11/20 | MIL | Mario Feliciano | C | 22 | Contract selected from minors | |
| 11/20 | BOS | Jay Groome | SP | 22 | Contract selected from minors | |
| 11/20 | CLE | Nolan Jones | 3B | 23 | Contract selected from minors | |
| 11/20 | KCR | Khalil Lee | OF | 23 | Contract selected from minors | |
| 11/20 | TBR | Josh Lowe | OF | 23 | Contract selected from minors | |
| 11/20 | DET | Matt Manning | SP | 23 | Contract selected from minors | |
| 11/20 | MIN | Ben Rortvedt | C | 23 | Contract selected from minors | |
| 11/20 | SDP | Mason Thompson | SP | 23 | Contract selected from minors | |
| 11/20 | SEA | Taylor Trammell | OF | 23 | Contract selected from minors | |
| 11/20 | COL | Colton Welker | 3B/1B | 23 | Contract selected from minors | |
| 11/20 | DET | Joey Wentz | SP | 23 | Contract selected from minors | |
| 11/20 | HOU | Forrest Whitley | SP | 23 | Contract selected from minors | |
| 11/20 | MIN | Jordan Balazovic | SP | 22 | Contract selected from minors | |
| 11/20 | MIA | Jerar Encarnacion | OF | 23 | Contract selected from minors | |
| 11/20 | SFG | Gregory Santos | SP | 21 | Contract selected from minors | |
| 11/20 | CHC | Christopher Morel | 3B | 22 | Contract selected from minors | |
| 11/20 | TEX | Yerry Rodríguez | SP | 23 | Contract selected from minors | |
| 11/20 | BAL | Yusniel Díaz | OF | 24 | Contract selected from minors | |
| 11/20 | PIT | Rodolfo Castro | INF | 22 | Contract selected from minors | |
| 11/20 | SFG | Camilo Doval | RP | 23 | Contract selected from minors | |
| 11/20 | ARI | Luis Frías | SP | 23 | Contract selected from minors | |
| 11/20 | BOS | Bryan Mata | SP | 22 | Contract selected from minors | |
| 11/20 | MIL | Dylan File | SP | 25 | Contract selected from minors | |
| 11/20 | PIT | Max Kranick | SP | 23 | Contract selected from minors | |
| 11/20 | BOS | Hudson Potts | INF | 22 | Contract selected from minors | |
| 11/20 | LAA | Brandon Marsh | OF | 23 | Contract selected from minors | |
| 11/20 | CLE | Eli Morgan | SP | 25 | Contract selected from minors | |
| 11/20 | CHW | Jake Burger | 3B | 25 | Contract selected from minors | |
| 11/20 | LAA | Chris Rodriguez | SP | 22 | Contract selected from minors | |
| 11/20 | NYY | Alexander Vizcaíno | SP | 24 | Contract selected from minors | |
| 11/20 | TEX | A.J. Alexy | SP | 23 | Contract selected from minors | |
| 11/20 | SEA | Wyatt Mills | RP | 26 | Contract selected from minors | |
| 11/20 | TBR | Taylor Walls | INF | 24 | Contract selected from minors | |
| 11/20 | LAD | Edwin Uceta | SP | 23 | Contract selected from minors | |
| 11/20 | HOU | Freudis Nova | INF | 21 | Contract selected from minors | |
| 11/20 | BOS | Jeisson Rosario | OF | 21 | Contract selected from minors | |
| 11/20 | TEX | David García | C | 21 | Contract selected from minors | |
| 11/20 | WSN | Yasel Antuna | INF | 21 | Contract selected from minors | |
| 11/20 | COL | Helcris Olivárez | SP | 20 | Contract selected from minors | |
| 11/20 | TOR | Gabriel Moreno | C | 21 | Contract selected from minors | |
| 11/20 | KCR | Angel Zerpa | SP | 21 | Contract selected from minors | |
| 11/20 | LAD | Gerardo Carrillo | SP | 22 | Contract selected from minors | |
| 11/20 | TOR | Otto Lopez | INF | 22 | Contract selected from minors | |
| 11/20 | ARI | Geraldo Perdomo | SS | 21 | Contract selected from minors | |
| 11/20 | MIA | José Devers | INF | 21 | Contract selected from minors | |
| 11/20 | NYY | Roansy Contreras | SP | 21 | Contract selected from minors | |
| 11/20 | NYY | Oswald Peraza | INF | 21 | Contract selected from minors | |
| 11/20 | SEA | Juan Then | SP | 21 | Contract selected from minors | |
| 11/20 | SFG | Alexander Canario | OF | 21 | Contract selected from minors | |
| 11/20 | SDP | Tucupita Marcano | INF | 21 | Contract selected from minors | |
| 11/20 | NYY | Yoendrys Gómez | SP | 21 | Contract selected from minors | |
| 11/20 | HOU | Jairo Solis | SP | 21 | Contract selected from minors | |
| 11/20 | PHI | Francisco Morales | SP | 21 | Contract selected from minors | |
| 11/20 | CLE | Carlos Vargas | SP | 21 | Contract selected from minors | |
| 11/20 | WSN | Joan Adon | SP | 22 | Contract selected from minors | |
| 11/20 | OAK | Luis Romero | RP | 27 | Contract selected from minors | |
| 11/20 | BAL | Zac Lowther | SP | 25 | Contract selected from minors | |
| 11/20 | PHI | Kyle Dohy | RP | 24 | Contract selected from minors | |
| 11/20 | TBR | Drew Strotman | SP | 24 | Contract selected from minors | |
| 11/20 | PHI | Damon Jones | SP | 26 | Contract selected from minors | |
| 11/20 | CHC | Cory Abbott | SP | 25 | Contract selected from minors | |
| 11/20 | CLE | Ernie Clement | INF | 25 | Contract selected from minors | |
| 11/20 | MIL | Alec Bettinger | SP | 25 | Contract selected from minors | |
| 11/20 | CIN | Riley O'Brien | SP | 26 | Contract selected from minors | |
| 11/20 | BAL | Rylan Bannon | INF | 25 | Contract selected from minors | |
| 11/20 | LAD | Zach Reks | SP | 27 | Contract selected from minors | |
| 11/20 | CIN | Jared Solomon | SP | 24 | Contract selected from minors | |
| 11/20 | TOR | Ty Tice | RP | 24 | Contract selected from minors | |
| 11/20 | BAL | Isaac Mattson | RP | 25 | Contract selected from minors | |
| 11/20 | ARI | Matt Peacock | SP | 27 | Contract selected from minors | |
| 11/20 | SEA | Sam Delaplane | RP | 26 | Contract selected from minors | |
| 11/19 | ATL | Kyle Muller | SP | 23 | Contract selected from minors | |
| 11/19 | STL | Angel Rondón | SP | 23 | Contract selected from minors | |
| 11/18 | NYM | Robinson Canó | 2B | 38 | 15.076 | Placed on Restricted List |
| 11/18 | STL | Iván Herrera | C | 21 | Contract selected from minors | |
| 11/1 | PIT | Nick Burdi | RP | 28 | 3.000 | Designated for assignment |
| 11/1 | PIT | Dovydas Neverauskas | RP | 28 | 1.170 | Designated for assignment |
| 11/1 | SFG | Anthony Banda | SP/RP | 27 | 1.103 | Outrighted to minors |
| 10/30 | PIT | John Ryan Murphy | C | 30 | 4.122 | Outrighted to minors |
| 10/30 | PIT | Kevin Kramer | INF/OF | 27 | 1.060 | Outrighted to minors |
| 10/30 | PIT | Yacksel Ríos | RP | 28 | 2.019 | Outrighted to minors |
| 10/30 | NYM | Nick Tropeano | RP/SP | 30 | 4.050 | Claimed off waivers from Pirates |
| 10/30 | CHC | Max Schrock | INF | 26 | 0.075 | Claimed off waivers from Cardinals |
| 10/30 | PHI | Johan Quezada | RP | 26 | 0.019 | Claimed off waivers from Marlins |
| 10/30 | WSN | Steven Fuentes | SP | 24 | 0.000 | Contract selected from minors |
| 10/30 | KCR | Carlos Sanabria | RP | 24 | 0.031 | Claimed off waivers from Astros |
| 10/29 | SEA | Kendall Graveman | RP | 30 | 5.078 | Agreed to one-year contract (2021) |
| 10/28 | MIA | Pat Venditte | RP | 36 | 2.057 | Outrighted to minors |
| 10/27 | ARI | Silvino Bracho | RP | 28 | 3.082 | Outrighted to minors |
| 10/27 | NYM | Ryan Cordell | OF | 29 | 1.055 | Designated for assignment |
| 10/27 | CIN | Joel Kuhnel | RP | 26 | 0.065 | Outrighted to minors |
| 10/26 | NYM | Robel García | INF | 28 | 0.061 | Claimed off waivers from Reds |
| 10/21 | TEX | Art Warren | RP | 28 | 0.023 | Claimed off waivers from Mariners |
| 10/19 | SEA | Brady Lail | RP | 27 | 0.154 | Outrighted to minors |
| 10/14 | CIN | Matt Davidson | 1B/3B | 30 | 3.112 | Outrighted to minors |
| 10/14 | CIN | Jesse Biddle | RP | 29 | 3.088 | Outrighted to minors |
| 10/14 | CIN | Matt Bowman | RP | 30 | 3.021 | Outrighted to minors |
| 10/13 | WSN | Raudy Read | C | 27 | 0.063 | Outrighted to minors |
| 10/12 | WSN | Javy Guerra | RP | 35 | 5.145 | Outrighted to minors |
| 10/9 | WSN | Paolo Espino | RP | 34 | 0.078 | Outrighted to minors |
| 10/9 | WSN | Aaron Barrett | RP | 33 | 3.034 | Outrighted to minors |
| 10/9 | WSN | Adrián Sanchez | INF | 30 | 1.083 | Outrighted to minors |
| 10/5 | PIT | JT Riddle | INF/OF | 29 | 2.118 | Outrighted to minors |
| 10/2 | CHC | Josh Osich | RP | 32 | 4.114 | Outrighted to minors |
| 10/2 | TEX | Yadiel Rivera | INF/OF | 29 | 2.097 | Outrighted to minors |
| 10/2 | CHW | Alex McRae | RP | 28 | 0.083 | Outrighted to minors |
| 10/1 | TBR | Sean Gilmartin | RP | 31 | 1.158 | Outrighted to minors |
| 10/1 | PIT | Andrew Susac | C | 31 | 2.012 | Outrighted to minors |
| 10/1 | ARI | Joe Mantiply | RP | 30 | 0.061 | Outrighted to minors |
| 9/30 | BAL | Evan Phillips | RP | 26 | 1.083 | Outrighted to minors |
| 2/26 | ATL | Phil Pfeifer | SP/RP | 28 | 1.000 | Cleared waivers; outrighted to minors |
| 2/16 | OAK | Nate Orf | INF/OF | 31 | 0.062 | Retired |
| 2/11 | MIL | David Freitas | C/1B | 32 | 1.026 | Released |
| 2/1 | BOS | Dustin Pedroia | 2B | 37 | 14.041 | Retired |
| 11/6 | PIT | Nick Burdi | RP | 28 | 3.000 | Outrighted to minors; elected free agency |
| 10/30 | PIT | Luke Maile | C | 30 | 4.099 | Outrighted to minors |
| 10/27 | NYY | Wynston Sawyer | C | 29 | 0.000 | Outrighted to minors; elected free agency |
| 10/27 | DET | Jorge Bonifacio | OF | 28 | 2.041 | Outrighted to minors; elected free agency |
| 10/27 | DET | Dereck Rodríguez | SP/RP | 29 | 1.102 | Outrighted to minors; elected free agency |
| 10/27 | DET | Dario Agrazal | SP/RP | 26 | 1.076 | Outrighted to minors; elected free agency |
| 10/27 | ARI | Bo Takahashi | SP | 24 | 0.002 | Outrighted to minors; elected free agency |
| 10/19 | SEA | Joe Hudson | C | 30 | 0.131 | Outrighted to minors |
| 10/6 | HOU | Joe Biagini | RP | 31 | 4.081 | Outrighted to minors |
| 9/30 | COL | James Pazos | RP | 30 | 3.035 | Outrighted to minors |
| 9/28 | CHW | Ross Detwiler | RP | 35 | 8.011 | Outrighted to minors; elected free agency |
| 9/28 | TOR | Wilmer Font | RP | 31 | 3.085 | Outrighted to minors; elected free agency |
