Riley O’Brien
RO
Riley
O'Brien
#61
6′4″ 31 yrs US
65 Games Played
4.21
ERA
#441
62
Strikeouts
#249
2
Wins
#291
1.26
WHIP
#330
62.0
Innings
#254
L
8
BB
25
H
53
HR
5
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 | 65 | 62.0 | 2 | 8 | 4.21 | 1.26 | 62 | 25 | 53 | 5 |
| Career | 114 | 118.0 | 5 | 9 | 3.58 | 1.27 | 118 | 53 | 97 | 9 |
| MLB Spring Training 2026* | 4 | 3.2 | 0 | 0 | 2.45 | 1.64 | 3 | 5 | 1 | 0 |
* Not split by stage - all games included.
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 | 35 | 34.2 | 2 | 4 | 3.63 | 1.21 | 30 | 11 | 31 | 2 |
| Away | 30 | 27.1 | 0 | 4 | 4.94 | 1.32 | 32 | 14 | 22 | 3 |
vs. Opponents
| OPP | W-L | G | IP | W | L | ERA | WHIP | SO | BB | H | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CINReds | 5-1 | 6 | 5.2 | 0 | 1 | 0.00 | 1.41 | 8 | 4 | 4 | 0 |
| CHCCubs | 4-1 | 5 | 5.0 | 0 | 0 | 1.80 | 0.40 | 3 | 1 | 1 | 0 |
| WSHNationals | 3-1 | 4 | 3.2 | 0 | 0 | 0.00 | 0.27 | 4 | 0 | 1 | 0 |
| ATLBraves | 3-0 | 3 | 3.0 | 0 | 0 | 0.00 | 0.67 | 3 | 1 | 1 | 0 |
| SFGiants | 1-2 | 3 | 3.0 | 0 | 1 | 3.00 | 2.00 | 2 | 2 | 4 | 1 |
| LADDodgers | 2-1 | 3 | 2.1 | 0 | 1 | 15.43 | 3.00 | 3 | 1 | 6 | 0 |
| SDPadres | 2-1 | 3 | 3.0 | 0 | 0 | 6.00 | 1.00 | 4 | 1 | 2 | 1 |
| MILBrewers | 2-0 | 2 | 1.2 | 0 | 0 | 0.00 | 0.60 | 1 | 0 | 1 | 0 |
| BALOrioles | 1-1 | 2 | 2.0 | 0 | 1 | 4.50 | 1.50 | 1 | 0 | 3 | 0 |
| PHIPhillies | 1-1 | 2 | 1.2 | 0 | 1 | 32.40 | 3.60 | 1 | 1 | 5 | 1 |
| COLRockies | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 1.00 | 2 | 1 | 1 | 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 |
| CWSWhite Sox | 1-1 | 2 | 2.0 | 0 | 1 | 9.00 | 1.00 | 3 | 1 | 1 | 1 |
| 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 |
| CLEGuardians | 2-0 | 2 | 2.0 | 1 | 0 | 0.00 | 0.00 | 3 | 0 | 0 | 0 |
| LAAAngels | 1-1 | 2 | 1.1 | 0 | 1 | 13.50 | 3.00 | 4 | 2 | 2 | 0 |
| TBRays | 2-0 | 2 | 2.1 | 1 | 0 | 0.00 | 1.29 | 2 | 0 | 3 | 0 |
| MIAMarlins | 2-0 | 2 | 2.0 | 0 | 0 | 0.00 | 0.50 | 2 | 0 | 1 | 0 |
| HOUAstros | 2-0 | 2 | 1.2 | 0 | 0 | 0.00 | 0.60 | 2 | 0 | 1 | 0 |
| 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 |
| NYYYankees | 1-0 | 1 | 1.0 | 0 | 0 | 0.00 | 1.00 | 1 | 1 | 0 | 0 |
| MINTwins | 1-0 | 1 | 1.0 | 0 | 0 | 9.00 | 3.00 | 1 | 3 | 0 | 0 |
| TORBlue Jays | 1-0 | 1 | 1.0 | 0 | 0 | 0.00 | 1.00 | 1 | 0 | 1 | 0 |
| DETTigers | 1-0 | 1 | 1.0 | 0 | 0 | 0.00 | 0.00 | 1 | 0 | 0 | 0 |
