Riley O’Brien

RO
Riley O'Brien #61
St. Louis Cardinals Pitcher
6′4″ 31 yrs US
26 Games Played
4.26 ERA #364
27 Strikeouts #216
2 Wins #86
1.14 WHIP #207
25.1 Innings #248
L 2
BB 5
H 24
HR 1
Career Statistics
Pitching
Season G IP W L ERA WHIP SO BB H HR
MLB 2024 8 8.0 0 0 11.25 2.63 11 8 13 2
MLB 2025 41 48.0 3 1 1.5 1.06 45 20 31 2
MLB 2026 26 25.1 2 2 4.26 1.14 27 5 24 1
Career 75 81.1 5 3 3.32 1.24 83 33 68 5
MLB Spring Training 2026 4 3.2 0 0 2.45 1.64 3 5 1 0
Game Log
IP: Innings Pitched · H: Hits Allowed · R: Runs · ER: Earned Runs · BB: Walks · K: Strikeouts · HR: Home Runs · PC-ST: Pitches-Strikes · W/L: Win/Loss Decision
Splits
Pitching
Split G IP W L ERA WHIP SO BB H HR
Home 14 13.2 2 1 6.59 1.61 12 3 19 0
Away 12 11.2 0 1 1.54 0.6 15 2 5 1
vs. Opponents
OPP W-L G IP W L ERA WHIP SO BB H HR
HOUAstros 2-0 2 1.2 0 0 0.00 0.60 2 0 1 0
TBRays 2-0 2 2.1 1 0 0.00 1.29 2 0 3 0
CLEGuardians 2-0 2 2.0 1 0 0.00 0.00 3 0 0 0
NYMMets 2-0 2 2.0 0 0 0.00 0.50 2 0 1 0
WSHNationals 2-0 2 1.2 0 0 0.00 0.00 2 0 0 0
PITPirates 2-0 2 2.0 0 0 9.00 2.00 1 1 3 0
OAKAthletics 2-0 2 2.0 0 0 0.00 0.50 2 1 0 0
SDPadres 1-1 2 2.0 0 0 9.00 1.00 4 0 2 1
SEAMariners 0-1 1 1.0 0 0 18.00 5.00 1 1 4 0
BOSRed Sox 1-0 1 0.2 0 0 0.00 0.00 0 0 0 0
KCRoyals 1-0 1 1.0 0 0 0.00 1.00 0 0 1 0
MILBrewers 1-0 1 0.2 0 0 0.00 0.00 0 0 0 0
LADDodgers 1-0 1 1.0 0 0 18.00 4.00 2 0 4 0
CHCCubs 1-0 1 1.0 0 0 9.00 1.00 0 0 1 0
CINReds 0-1 1 1.1 0 1 0.00 0.75 2 1 0 0
TEXRangers 0-1 1 1.0 0 1 27.00 4.00 2 1 3 0
DETTigers 1-0 1 1.0 0 0 0.00 0.00 1 0 0 0
MIAMarlins 1-0 1 1.0 0 0 0.00 1.00 1 0 1 0