Michael Rivera
Free Agent (A-)P
Age: 28
Bats/Throws: R/R
6'3" / 220
DOB: 6/19/1997
(28 years, 9 months, 14 days)
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You can shift + click on full MLB seasons in Season Stats and games in Game Logs to select spans for aggregate stats. Read more here
Minor Leagues
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SEA | R | 18 | 1 | 1 | 0 | 8 | 0 | 11.1 | 7.94 | 3.97 | 0.79 | .306 | 72.3% | 45.7% | 8.3% | 3.18 | 4.78 | 4.15 | ||||||
| 2016 | SEA | R | 19 | 3 | 2 | 0 | 16 | 0 | 37.1 | 8.68 | 3.86 | 0.24 | .308 | 68.3% | 50.5% | 2.8% | 4.10 | 4.39 | 4.61 | ||||||
| 2016 | SEA | A- | 19 | 0 | 0 | 0 | 2 | 0 | 6.0 | 3.00 | 4.50 | 0.00 | .235 | 87.5% | 64.7% | 0.0% | 1.50 | 5.10 | 5.72 | ||||||
| 2016 | SEA | MiLB | 19 | 3 | 2 | 0 | 18 | 0 | 43.1 | 7.89 | 3.95 | 0.21 | .298 | 70.8% | 52.5% | 2.4% | 3.74 | 4.49 | 4.76 | ||||||
| 2017 | SEA | R | 20 | 1 | 0 | 0 | 2 | 0 | 3.0 | 9.00 | 0.00 | 0.00 | .250 | 100.0% | 37.5% | 0.0% | 0.00 | 2.20 | 3.45 | ||||||
| 2017 | SEA | A- | 20 | 2 | 2 | 0 | 11 | 0 | 21.1 | 8.86 | 3.80 | 0.42 | .316 | 73.4% | 41.4% | 4.3% | 3.38 | 4.01 | 4.38 | ||||||
| 2017 | SEA | A | 20 | 1 | 0 | 0 | 2 | 0 | 2.2 | 10.13 | 6.75 | 3.38 | .429 | 71.4% | 50.0% | 50.0% | 10.13 | 9.50 | 5.35 | ||||||
| 2017 | SEA | A+ | 20 | 0 | 0 | 0 | 2 | 0 | 5.0 | 5.40 | 3.60 | 0.00 | .375 | 54.5% | 60.0% | 0.0% | 7.20 | 5.71 | 7.06 | ||||||
| 2017 | SEA | AAA | 20 | 0 | 0 | 0 | 1 | 0 | 1.0 | 0.00 | 0.00 | 0.00 | .625 | 20.0% | 50.0% | 0.0% | 36.00 | 3.72 | 7.81 | ||||||
| 2017 | SEA | MiLB | 20 | 4 | 2 | 0 | 18 | 0 | 33.0 | 8.18 | 3.55 | 0.55 | .354 | 65.1% | 45.4% | 5.1% | 5.18 | 4.54 | 4.89 |
| Season | Team | Level | Age | W W - Wins | L L - Losses | SV SV - Saves | G G - Games Pitched | GS GS - Games Started | IP IP - Innings Pitched | divider | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | GB% GB% - Ground Ball Percentage (GB/BIP) | HR/FB HR/FB - Home Run to Fly Ball Ratio | divider | vFA vFA - Fourseam Fastball velocity (Pitch Info) | divider | ERA ERA - Earned Run Average ((ER*9)/IP) | xERA xERA - Expected ERA | FIP FIP - Fielder Independent Pitching on an ERA scale | xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SEA | R | 18 | 1 | 1 | 0 | 8 | 0 | 11.1 | 7.94 | 3.97 | 0.79 | .306 | 72.3% | 45.7% | 8.3% | 3.18 | 4.78 | 4.15 | ||||||
| 2016 | SEA | R | 19 | 3 | 2 | 0 | 16 | 0 | 37.1 | 8.68 | 3.86 | 0.24 | .308 | 68.3% | 50.5% | 2.8% | 4.10 | 4.39 | 4.61 | ||||||
| 2016 | SEA | A- | 19 | 0 | 0 | 0 | 2 | 0 | 6.0 | 3.00 | 4.50 | 0.00 | .235 | 87.5% | 64.7% | 0.0% | 1.50 | 5.10 | 5.72 | ||||||
| 2016 | SEA | MiLB | 19 | 3 | 2 | 0 | 18 | 0 | 43.1 | 7.89 | 3.95 | 0.21 | .298 | 70.8% | 52.5% | 2.4% | 3.74 | 4.49 | 4.76 | ||||||
| 2017 | SEA | R | 20 | 1 | 0 | 0 | 2 | 0 | 3.0 | 9.00 | 0.00 | 0.00 | .250 | 100.0% | 37.5% | 0.0% | 0.00 | 2.20 | 3.45 | ||||||
| 2017 | SEA | A- | 20 | 2 | 2 | 0 | 11 | 0 | 21.1 | 8.86 | 3.80 | 0.42 | .316 | 73.4% | 41.4% | 4.3% | 3.38 | 4.01 | 4.38 | ||||||
| 2017 | SEA | A | 20 | 1 | 0 | 0 | 2 | 0 | 2.2 | 10.13 | 6.75 | 3.38 | .429 | 71.4% | 50.0% | 50.0% | 10.13 | 9.50 | 5.35 | ||||||
| 2017 | SEA | A+ | 20 | 0 | 0 | 0 | 2 | 0 | 5.0 | 5.40 | 3.60 | 0.00 | .375 | 54.5% | 60.0% | 0.0% | 7.20 | 5.71 | 7.06 | ||||||
| 2017 | SEA | AAA | 20 | 0 | 0 | 0 | 1 | 0 | 1.0 | 0.00 | 0.00 | 0.00 | .625 | 20.0% | 50.0% | 0.0% | 36.00 | 3.72 | 7.81 | ||||||
| 2017 | SEA | MiLB | 20 | 4 | 2 | 0 | 18 | 0 | 33.0 | 8.18 | 3.55 | 0.55 | .354 | 65.1% | 45.4% | 5.1% | 5.18 | 4.54 | 4.89 |
Minor Leagues
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SEA | R | 1 | 1 | 3.18 | 8 | 0 | 0 | 0 | 0 | 2 | 1 | 11.1 | 53 | 12 | 6 | 4 | 1 | 5 | 0 | 1 | 2 | 1 | 10 | |
| 2016 | SEA | R | 3 | 2 | 4.10 | 16 | 0 | 0 | 0 | 0 | 3 | 1 | 37.1 | 167 | 34 | 19 | 17 | 1 | 16 | 0 | 7 | 9 | 0 | 36 | |
| 2016 | SEA | A- | 0 | 0 | 1.50 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 23 | 4 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 0 | 2 | |
| 2016 | SEA | MiLB | 3 | 2 | 3.74 | 18 | 0 | 0 | 0 | 0 | 3 | 1 | 43.1 | 190 | 38 | 20 | 18 | 1 | 19 | 0 | 8 | 9 | 0 | 38 | |
| 2017 | SEA | R | 1 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | |
| 2017 | SEA | A- | 2 | 2 | 3.38 | 11 | 0 | 0 | 0 | 0 | 2 | 2 | 21.1 | 90 | 19 | 9 | 8 | 1 | 9 | 1 | 2 | 0 | 1 | 21 | |
| 2017 | SEA | A | 1 | 0 | 10.13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 14 | 4 | 3 | 3 | 1 | 2 | 0 | 1 | 1 | 0 | 3 | |
| 2017 | SEA | A+ | 0 | 0 | 7.20 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 24 | 6 | 5 | 4 | 0 | 2 | 0 | 3 | 0 | 0 | 3 | |
| 2017 | SEA | AAA | 0 | 0 | 36.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 8 | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 2017 | SEA | MiLB | 4 | 2 | 5.18 | 18 | 0 | 0 | 0 | 0 | 2 | 2 | 33.0 | 147 | 36 | 21 | 19 | 2 | 13 | 1 | 6 | 1 | 1 | 30 |
| Season | Team | Level | W W - Wins | L L - Losses | ERA ERA - Earned Run Average ((ER*9)/IP) | G G - Games Pitched | GS GS - Games Started | QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs | CG CG - Complete Games | ShO ShO - Shoutouts | SV SV - Saves | HLD HLD - Holds | BS BS - Blown Saves | IP IP - Innings Pitched | TBF TBF - Total Batters Faced | H H - Hits Allowed | R R - Runs Allowed | ER ER - Earned Runs | HR HR - Home Runs | BB BB - Walks | IBB IBB - Intentional | HBP HBP - Hit Batters | WP WP - Wild Pitches | BK BK - Balks | SO SO - Strikeouts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SEA | R | 1 | 1 | 3.18 | 8 | 0 | 0 | 0 | 0 | 2 | 1 | 11.1 | 53 | 12 | 6 | 4 | 1 | 5 | 0 | 1 | 2 | 1 | 10 | |
| 2016 | SEA | R | 3 | 2 | 4.10 | 16 | 0 | 0 | 0 | 0 | 3 | 1 | 37.1 | 167 | 34 | 19 | 17 | 1 | 16 | 0 | 7 | 9 | 0 | 36 | |
| 2016 | SEA | A- | 0 | 0 | 1.50 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 23 | 4 | 1 | 1 | 0 | 3 | 0 | 1 | 0 | 0 | 2 | |
| 2016 | SEA | MiLB | 3 | 2 | 3.74 | 18 | 0 | 0 | 0 | 0 | 3 | 1 | 43.1 | 190 | 38 | 20 | 18 | 1 | 19 | 0 | 8 | 9 | 0 | 38 | |
| 2017 | SEA | R | 1 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | |
| 2017 | SEA | A- | 2 | 2 | 3.38 | 11 | 0 | 0 | 0 | 0 | 2 | 2 | 21.1 | 90 | 19 | 9 | 8 | 1 | 9 | 1 | 2 | 0 | 1 | 21 | |
| 2017 | SEA | A | 1 | 0 | 10.13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 14 | 4 | 3 | 3 | 1 | 2 | 0 | 1 | 1 | 0 | 3 | |
| 2017 | SEA | A+ | 0 | 0 | 7.20 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 24 | 6 | 5 | 4 | 0 | 2 | 0 | 3 | 0 | 0 | 3 | |
| 2017 | SEA | AAA | 0 | 0 | 36.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 8 | 5 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 2017 | SEA | MiLB | 4 | 2 | 5.18 | 18 | 0 | 0 | 0 | 0 | 2 | 2 | 33.0 | 147 | 36 | 21 | 19 | 2 | 13 | 1 | 6 | 1 | 1 | 30 |
Minor LeaguesAverages
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SEA | R | 7.94 | 3.97 | 2.00 | 0.79 | 18.9% | 9.4% | 9.4% | .255 | 1.50 | .306 | 72.3% | 88 | 132 | 4.78 | ||||
| 2016 | SEA | R | 8.68 | 3.86 | 2.25 | 0.24 | 21.6% | 9.6% | 12.0% | .236 | 1.34 | .308 | 68.3% | 106 | 111 | 4.39 | ||||
| 2016 | SEA | A- | 3.00 | 4.50 | 0.67 | 0.00 | 8.7% | 13.0% | -4.3% | .211 | 1.17 | .235 | 87.5% | 36 | 122 | 5.10 | ||||
| 2016 | SEA | MiLB | 7.89 | 3.95 | 2.00 | 0.21 | 20.0% | 10.0% | 10.0% | .233 | 1.32 | .298 | 70.8% | 97 | 112 | 4.49 | ||||
| 2017 | SEA | R | 9.00 | 0.00 | 3.00 | 0.00 | 27.3% | 0.0% | 27.3% | .182 | 0.67 | .250 | 100.0% | 0 | 51 | 2.20 | ||||
| 2017 | SEA | A- | 8.86 | 3.80 | 2.33 | 0.42 | 23.3% | 10.0% | 13.3% | .241 | 1.31 | .316 | 73.4% | 81 | 97 | 4.01 | ||||
| 2017 | SEA | A | 10.13 | 6.75 | 1.50 | 3.38 | 21.4% | 14.3% | 7.1% | .364 | 2.25 | .429 | 71.4% | 265 | 246 | 9.50 | ||||
| 2017 | SEA | A+ | 5.40 | 3.60 | 1.50 | 0.00 | 12.5% | 8.3% | 4.2% | .316 | 1.60 | .375 | 54.5% | 170 | 137 | 5.71 | ||||
| 2017 | SEA | AAA | 0.00 | 0.00 | 0.00 | 0.00 | 0.0% | 0.0% | 0.0% | .625 | 5.00 | .625 | 20.0% | 814 | 79 | 3.72 | ||||
| 2017 | SEA | MiLB | 8.18 | 3.55 | 2.31 | 0.55 | 20.4% | 8.8% | 11.6% | .281 | 1.48 | .354 | 65.1% | 124 | 110 | 4.54 |
| Season | Team | Level | K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP) | BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP) | K/BB K/BB - Strikeout to Walk Ratio (SO/BB) | HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP) | divider | K% K% - Strikeout Percentage (SO/TBF) | BB% BB% - Walk Percentage (BB/TBF) | K-BB% K-BB% - The difference between strikeout percentage and walk percentage | divider | AVG AVG - Batting Average Against | WHIP WHIP - Walks + Hits divided by Innings Pitched | BABIP BABIP - Batting Average on Balls in Play | LOB% LOB% - Left on Base Percentage | divider | ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better | FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better | divider | FIP FIP - Fielder Independent Pitching on an ERA scale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | SEA | R | 7.94 | 3.97 | 2.00 | 0.79 | 18.9% | 9.4% | 9.4% | .255 | 1.50 | .306 | 72.3% | 88 | 132 | 4.78 | ||||
| 2016 | SEA | R | 8.68 | 3.86 | 2.25 | 0.24 | 21.6% | 9.6% | 12.0% | .236 | 1.34 | .308 | 68.3% | 106 | 111 | 4.39 | ||||
| 2016 | SEA | A- | 3.00 | 4.50 | 0.67 | 0.00 | 8.7% | 13.0% | -4.3% | .211 | 1.17 | .235 | 87.5% | 36 | 122 | 5.10 | ||||
| 2016 | SEA | MiLB | 7.89 | 3.95 | 2.00 | 0.21 | 20.0% | 10.0% | 10.0% | .233 | 1.32 | .298 | 70.8% | 97 | 112 | 4.49 | ||||
| 2017 | SEA | R | 9.00 | 0.00 | 3.00 | 0.00 | 27.3% | 0.0% | 27.3% | .182 | 0.67 | .250 | 100.0% | 0 | 51 | 2.20 | ||||
| 2017 | SEA | A- | 8.86 | 3.80 | 2.33 | 0.42 | 23.3% | 10.0% | 13.3% | .241 | 1.31 | .316 | 73.4% | 81 | 97 | 4.01 | ||||
| 2017 | SEA | A | 10.13 | 6.75 | 1.50 | 3.38 | 21.4% | 14.3% | 7.1% | .364 | 2.25 | .429 | 71.4% | 265 | 246 | 9.50 | ||||
| 2017 | SEA | A+ | 5.40 | 3.60 | 1.50 | 0.00 | 12.5% | 8.3% | 4.2% | .316 | 1.60 | .375 | 54.5% | 170 | 137 | 5.71 | ||||
| 2017 | SEA | AAA | 0.00 | 0.00 | 0.00 | 0.00 | 0.0% | 0.0% | 0.0% | .625 | 5.00 | .625 | 20.0% | 814 | 79 | 3.72 | ||||
| 2017 | SEA | MiLB | 8.18 | 3.55 | 2.31 | 0.55 | 20.4% | 8.8% | 11.6% | .281 | 1.48 | .354 | 65.1% | 124 | 110 | 4.54 |

