Riley O’Brien
RO
Riley
O'Brien
#61
6′4″ 31 yrs US
42 Games Played
3.76
ERA
#306
42
Strikeouts
#249
2
Wins
#191
1.23
WHIP
#273
40.2
Innings
#268
L
3
BB
16
H
34
HR
2
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 | 42 | 40.2 | 2 | 3 | 3.76 | 1.23 | 42 | 16 | 34 | 2 |
| Career | 91 | 96.2 | 5 | 4 | 3.26 | 1.26 | 98 | 44 | 78 | 6 |
| 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 | 23 | 22.2 | 2 | 1 | 3.97 | 1.32 | 19 | 7 | 23 | 0 |
| Away | 19 | 18.0 | 0 | 2 | 3.5 | 1.11 | 23 | 9 | 11 | 2 |
vs. Opponents
| OPP | W-L | G | IP | W | L | ERA | WHIP | SO | BB | H | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ATLBraves | 3-0 | 3 | 3.0 | 0 | 0 | 0.00 | 0.67 | 3 | 1 | 1 | 0 |
| SDPadres | 2-1 | 3 | 3.0 | 0 | 0 | 6.00 | 1.00 | 4 | 1 | 2 | 1 |
| CINReds | 2-1 | 3 | 3.1 | 0 | 1 | 0.00 | 1.50 | 4 | 2 | 3 | 0 |
| HOUAstros | 2-0 | 2 | 1.2 | 0 | 0 | 0.00 | 0.60 | 2 | 0 | 1 | 0 |
| CLEGuardians | 2-0 | 2 | 2.0 | 1 | 0 | 0.00 | 0.00 | 3 | 0 | 0 | 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 |
| ARIDiamondbacks | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 1.00 | 1 | 1 | 1 | 0 |
| KCRoyals | 2-0 | 2 | 2.0 | 0 | 0 | 9.00 | 1.50 | 1 | 0 | 3 | 1 |
| OAKAthletics | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 0.50 | 2 | 1 | 0 | 0 |
| MILBrewers | 2-0 | 2 | 1.2 | 0 | 0 | 0.00 | 0.60 | 1 | 0 | 1 | 0 |
| TEXRangers | 1-1 | 2 | 2.0 | 0 | 1 | 13.50 | 2.50 | 2 | 2 | 3 | 0 |
| NYMMets | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 0.50 | 2 | 0 | 1 | 0 |
| CHCCubs | 2-0 | 2 | 2.0 | 0 | 0 | 4.50 | 1.00 | 1 | 1 | 1 | 0 |
| LAAAngels | 1-1 | 2 | 1.1 | 0 | 1 | 13.50 | 3.00 | 4 | 2 | 2 | 0 |
| MIAMarlins | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 0.50 | 2 | 0 | 1 | 0 |
| TBRays | 2-0 | 2 | 2.1 | 1 | 0 | 0.00 | 1.29 | 2 | 0 | 3 | 0 |
| LADDodgers | 1-0 | 1 | 1.0 | 0 | 0 | 18.00 | 4.00 | 2 | 0 | 4 | 0 |
| MINTwins | 1-0 | 1 | 1.0 | 0 | 0 | 9.00 | 3.00 | 1 | 3 | 0 | 0 |
| DETTigers | 1-0 | 1 | 1.0 | 0 | 0 | 0.00 | 0.00 | 1 | 0 | 0 | 0 |
| BOSRed Sox | 1-0 | 1 | 0.2 | 0 | 0 | 0.00 | 0.00 | 0 | 0 | 0 | 0 |
| SEAMariners | 0-1 | 1 | 1.0 | 0 | 0 | 18.00 | 5.00 | 1 | 1 | 4 | 0 |
