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Riley O'Brien

Riley O'Brien

St. Louis Cardinals
P
Age: 31
Bats/Throws: R/R
6'4" / 180
DOB: 2/6/1995
(31 years, 8 months, 15 days)
P
Player Dashboard:
Season2026Total
TeamSTL- - -
LevelMLBMLB
G66118
PA00
HR00
AVG.000.000
OBP.000.000
SLG.000.000
wOBA.000.000
wRC+-100-100
WAR0.00.0
RosterResource
Current Role:Bullpen: Closer (RR)
How Acquired:Purchased (SEA) Nov'23
Draft:2017, Rd: 8, Pick: 4, Ovr: 229
Draft Team:Tampa Bay Rays
Signing Bonus:$7,500
School:College of Idaho
Contract1 yr, $795k (2026) (RR)
Pre-Arbitration
AAV: $795k
Service Time
1.129
MiLB Options
0
Free Agent
2031
Arb Eligible
2028
News
Rotowire: O'Brien said recently that he wants to put on "as much muscle as I can" this offseason in order to help his body absorb the toll of the 2027 season, Daniel Guerrero of the St. Louis Post-Dispatch reports. (10/7/2026)
RG
10/9/26
RG
10/6/26
RG
9/26/26
RG
9/14/26
FG
5/23/26
FG
5/6/26
FG
4/23/26
RG
4/2/26
RG
2/18/26
RG
9/21/25
RG
8/17/25
RG
8/15/25
RG
8/10/25
RG
8/3/25
FG
11/21/23
FG
5/13/22
FG
4/11/22
FG
9/8/21
FG
12/23/20
FG
9/1/20
FG
3/18/20
FG
7/26/19
FG
2/8/19
FG
1/30/19
FG
1/22/19
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FG
RG
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Season2026Total
TeamSTL- - -
LevelMLBMLB
G66118
PA00
HR00
AVG.000.000
OBP.000.000
SLG.000.000
wOBA.000.000
wRC+-100-100
WAR0.00.0
RosterResource
Current Role:Bullpen: Closer (RR)
How Acquired:Purchased (SEA) Nov'23
Draft:2017, Rd: 8, Pick: 4, Ovr: 229
Draft Team:Tampa Bay Rays
Signing Bonus:$7,500
School:College of Idaho
Contract1 yr, $795k (2026) (RR)
Pre-Arbitration
AAV: $795k
Service Time
1.129
MiLB Options
0
Free Agent
2031
Arb Eligible
2028
News
Rotowire: O'Brien said recently that he wants to put on "as much muscle as I can" this offseason in order to help his body absorb the toll of the 2027 season, Daniel Guerrero of the St. Louis Post-Dispatch reports. (10/7/2026)
RG
10/9/26
RG
10/6/26
RG
9/26/26
RG
9/14/26
FG
5/23/26
FG
5/6/26
FG
4/23/26
RG
4/2/26
RG
2/18/26
RG
9/21/25
RG
8/17/25
RG
8/15/25
RG
8/10/25
RG
8/3/25
FG
11/21/23
FG
5/13/22
FG
4/11/22
FG
9/8/21
FG
12/23/20
FG
9/1/20
FG
3/18/20
FG
7/26/19
FG
2/8/19
FG
1/30/19
FG
1/22/19
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RG
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Stats

Stat Groups:
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    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelAgeGPAHRRRBISBdividerBB%K%ISOBABIPdividerAVGOBPSLGwOBAxwOBAwRC+dividerBsRdividerOffDefWAR
    2018TBRA2315100000.0%100.0%.000.000.000.000.000.000-100
    2021CINAAA26232801207.1%35.7%.042.286.167.259.208.22831
    2021CINST263000000.0%0.0%.000.000.000.000.000.000-100
    2021CINMLB261000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2022SEAMLB271000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2024STLMLB298000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2025STLMLB3042000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2026STLMLB3166000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    Total- - -MLB118000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    SeasonTeamLevelAgeGPAHRRRBISBdividerBB%K%ISOBABIPdividerAVGOBPSLGwOBAxwOBAwRC+dividerBsRdividerOffDefWAR
    2018TBRA2315100000.0%100.0%.000.000.000.000.000.000-100
    2021CINAAA26232801207.1%35.7%.042.286.167.259.208.22831
    2021CINST263000000.0%0.0%.000.000.000.000.000.000-100
    2021CINMLB261000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2022SEAMLB271000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2024STLMLB298000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2025STLMLB3042000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    2026STLMLB3166000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0
    Total- - -MLB118000000.0%0.0%.000.000.000.000.000.000-1000.00.00.00.0

    Standard

    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelGABPAH1B2B3BHRRRBIBBIBBSOHBPSFSHGDPSBCSAVG
    2018TBRA15110000000001000000.000
    2021CINAAA23242843100122010101000.167
    2021CINST3000000000000000000.000
    2021CINMLB1000000000000000000.000
    2022SEAMLB1000000000000000000.000
    2024STLMLB8000000000000000000.000
    2025STLMLB42000000000000000000.000
    2026STLMLB66000000000000000000.000
    Total- - -MLB118000000000000000000.000
    SeasonTeamLevelGABPAH1B2B3BHRRRBIBBIBBSOHBPSFSHGDPSBCSAVG
    2018TBRA15110000000001000000.000
    2021CINAAA23242843100122010101000.167
    2021CINST3000000000000000000.000
    2021CINMLB1000000000000000000.000
    2022SEAMLB1000000000000000000.000
    2024STLMLB8000000000000000000.000
    2025STLMLB42000000000000000000.000
    2026STLMLB66000000000000000000.000
    Total- - -MLB118000000000000000000.000

    Advanced

    Minor LeaguesSpring TrainingMLB Regular SeasonAverages
    SeasonTeamLevelBB%K%BB/KdividerAVGOBPSLGOPSdividerISOSpdBABIPdividerUBRwGDPXBRwSBdividerwRCwRAAwOBAwRC+
    2018TBRA0.0%100.0%0.00.000.000.000.000.0000.1.0000.00-0.2.000-100
    2021CINAAA7.1%35.7%0.20.167.259.208.468.0420.6.2860.01-2.4.22831
    2021CINST0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    2021CINMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20218.7%23.2%0.37.244.317.411.728.1675.1.292.314
    2022SEAMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20228.2%22.4%0.36.243.312.395.706.1524.9.290.310
    2024STLMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20248.2%22.6%0.36.243.312.399.711.1565.5.291.310
    2025STLMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20258.4%22.2%0.38.245.315.404.719.1595.2.291.313
    2026STLMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20268.9%22.1%0.40.244.318.400.719.1565.1.290.316
    Total- - -MLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    SeasonTeamLevelBB%K%BB/KdividerAVGOBPSLGOPSdividerISOSpdBABIPdividerUBRwGDPXBRwSBdividerwRCwRAAwOBAwRC+
    2018TBRA0.0%100.0%0.00.000.000.000.000.0000.1.0000.00-0.2.000-100
    2021CINAAA7.1%35.7%0.20.167.259.208.468.0420.6.2860.01-2.4.22831
    2021CINST0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    2021CINMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20218.7%23.2%0.37.244.317.411.728.1675.1.292.314
    2022SEAMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20228.2%22.4%0.36.243.312.395.706.1524.9.290.310
    2024STLMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20248.2%22.6%0.36.243.312.399.711.1565.5.291.310
    2025STLMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20258.4%22.2%0.38.245.315.404.719.1595.2.291.313
    2026STLMLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100
    20268.9%22.1%0.40.244.318.400.719.1565.1.290.316
    Total- - -MLB0.0%0.0%0.00.000.000.000.000.0000.1.0000.000.0.000-100

    Batted Ball

    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelGB/FBLD%GB%FB%IFFB%HR/FBIFH%BUH%dividerPull%Cent%Oppo%dividerSoft%Med%Hard%
    2021CINAAA2.3328.6%50.0%21.4%0.0%0.0%13.3%13.3%73.3%
    SeasonTeamLevelGB/FBLD%GB%FB%IFFB%HR/FBIFH%BUH%dividerPull%Cent%Oppo%dividerSoft%Med%Hard%
    2021CINAAA2.3328.6%50.0%21.4%0.0%0.0%13.3%13.3%73.3%

    More Batted Ball

    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelGBFBLDIFFBIFHBUBUHBallsStrikesPitches
    2018TBRA0000336
    2021CINAAA73404378121
    SeasonTeamLevelGBFBLDIFFBIFHBUBUHBallsStrikesPitches
    2018TBRA0000336
    2021CINAAA73404378121

    Plate Discipline

    Data Source:
    MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source regardless of selection.
    All MiLB and Pace data are from Statcast regardless of selection.
    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelO-Swing%Z-Swing%Swing%dividerO-Contact%Z-Contact%Contact%Zone%dividerF-Strike%SwStr%CStr%CSW%dividerPace
    2018TBRA0.0%0.0%0.0%0.0%50.0%50.0%
    2021CINAAA40.5%79.6%67.9%8.3%22.3%30.6%
    SeasonTeamLevelO-Swing%Z-Swing%Swing%dividerO-Contact%Z-Contact%Contact%Zone%dividerF-Strike%SwStr%CStr%CSW%dividerPace
    2018TBRA0.0%0.0%0.0%0.0%50.0%50.0%
    2021CINAAA40.5%79.6%67.9%8.3%22.3%30.6%

    Fielding

    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelPosGGSInnPOAdividerEFETEdividerDPDPSDPTDPFdividerScpdividerSBCSPBWPdividerFPdividerTZ
    2017TBRRP111041.031101
    2018TBRAP15548.16210
    2018TBRA+P10840.04010
    2019TBRA+P6634.01511
    2019TBRAAP141168.25600
    2021CINAAAP2322112.212812
    2021CINMLBP111.10000000000.000
    2022SEAAAAP32136.23400
    2022CINAAAP103.00000
    2022SEAMLBP101.00000000000.000
    2023SEAAAAP51355.05510
    2024STLAAAP14013.12110
    2024STLMLBP808.00000000000.000
    2025STLAAAP19019.10210
    2025STLMLBP42048.058000110021.000
    2026STLMLBP66064.09920200004.900
    Total- - -- - -P1181122.1141720211006.939
    SeasonTeamLevelPosGGSInnPOAdividerEFETEdividerDPDPSDPTDPFdividerScpdividerSBCSPBWPdividerFPdividerTZ
    2017TBRRP111041.031101
    2018TBRAP15548.16210
    2018TBRA+P10840.04010
    2019TBRA+P6634.01511
    2019TBRAAP141168.25600
    2021CINAAAP2322112.212812
    2021CINMLBP111.10000000000.000
    2022SEAAAAP32136.23400
    2022CINAAAP103.00000
    2022SEAMLBP101.00000000000.000
    2023SEAAAAP51355.05510
    2024STLAAAP14013.12110
    2024STLMLBP808.00000000000.000
    2025STLAAAP19019.10210
    2025STLMLBP42048.058000110021.000
    2026STLMLBP66064.09920200004.900
    Total- - -- - -P1181122.1141720211006.939

    Advanced Fielding

    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelPosInndividerrSZrCERArSBrGDPrARMrGFPrPMDRSdividerARMDPRRngRErrRUZRUZR/150dividerFRMdividerOAAFRV
    2021CINMLBP1.1000000.0
    2022SEAMLBP1.0000000.0
    2024STLMLBP8.0000000.0
    2025STLMLBP48.0000100.3
    2026STLMLBP64.0010010.0
    Total- - -- - -P122.1010110.3
    SeasonTeamLevelPosInndividerrSZrCERArSBrGDPrARMrGFPrPMDRSdividerARMDPRRngRErrRUZRUZR/150dividerFRMdividerOAAFRV
    2021CINMLBP1.1000000.0
    2022SEAMLBP1.0000000.0
    2024STLMLBP8.0000000.0
    2025STLMLBP48.0000100.3
    2026STLMLBP64.0010010.0
    Total- - -- - -P122.1010110.3

    Statcast Fielding

    Minor LeaguesSpring TrainingMLB Regular Season
    SeasonTeamLevelPosInndividerThrowingBlockingFramingdividerArmRangeInf DP1B RecdividerFRV
    2021CINMLBP1.1
    2022SEAMLBP1.0
    2024STLMLBP8.0
    2025STLMLBP48.0
    2026STLMLBP64.0
    Total- - -- - -P122.1
    SeasonTeamLevelPosInndividerThrowingBlockingFramingdividerArmRangeInf DP1B RecdividerFRV
    2021CINMLBP1.1
    2022SEAMLBP1.0
    2024STLMLBP8.0
    2025STLMLBP48.0
    2026STLMLBP64.0
    Total- - -- - -P122.1