Riley O'Brien
STL Cardinals • #55 • Reliever
Active
Position
Reliever
HT/WT Height/Weight
6'4" 180 lbs
Age
30
Draft
2017 - Round 8 (4 overall) by 106
Riley O'Brien Player Props and Stats
No Props Available
Last 7 | Season
| Date | Opp | Score | S/R | IP | SO | Outs | RES | H | BB | ER | R | HR | PIT | P/IP | G/F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 13 |
@  MIL
|
L 3 - 2 | R | 1.0 | 1 | 3 | ND | 0 | 0 | 0 | 0 | 0 | 17 | 17.0 | 1.00 |
| Jun 11 |
vs  TOR
|
L 5 - 2 | R | 2.0 | 1 | 6 | ND | 2 | 1 | 0 | 0 | 0 | 26 | 13.0 | 0.00 |
| Jun 9 |
vs TOR
|
L 5 - 4 F/10 | R | 2.0 | 0 | 6 | ND | 3 | 0 | 1 | 1 | 1 | 22 | 11.0 | 0.00 |
| Jun 5 |
vs  KC
|
W 6 - 5 F/10 | R | 1.2 | 1 | 5 | ND | 1 | 0 | 0 | 0 | 0 | 25 | 15.0 | 0.00 |
| May 1 |
@  CIN
|
L 9 - 1 | R | 1.2 | 2 | 5 | ND | 1 | 1 | 3 | 3 | 1 | 34 | 20.4 | 0.00 |
| Apr 28 |
@ CIN
|
L 3 - 1 | R | 0.2 | 0 | 2 | ND | 2 | 1 | 0 | 0 | 0 | 12 | 18.0 | 0.00 |
| Apr 26 |
vs MIL
|
W 6 - 5 | R | 0.1 | 0 | 1 | H | 0 | 0 | 0 | 0 | 0 | 2 | 6.0 | 0.00 |
| Last 7 Avg | 1.1 | 0.7 | 4.0 | 1.3 | 0.4 | 0.6 | 0.6 | 0.3 | 19.7 | 14.3 | 0.14 | ||||
Riley O'Brien's Pitching Statistics for Regular Season
| Season | Team | G | GS | W | L | SV | BS | ERA | CG | SHO | IP | H | R | ER | BB | SO | HR | WP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | STL | 7 | 0 | 0 | 0 | 0 | 0 | 3.86 | 0 | 0 | 9.3 | 9 | 4 | 4 | 3 | 5 | 2 | 1 |
| 2024 | STL | 8 | 0 | 0 | 0 | 0 | 1 | 11.25 | 0 | 0 | 8.0 | 13 | 10 | 10 | 8 | 11 | 2 | 1 |
| 2022 | SEA | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 | 0 | 1.0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| 2021 | CIN | 1 | 1 | 0 | 1 | 0 | 0 | 13.50 | 0 | 0 | 1.3 | 2 | 2 | 2 | 3 | 2 | 2 | 0 |
Riley O'Brien's Pitching Statistics for Post Season
| Season | Team | G | GS | W | L | SV | BS | ERA | CG | SHO | IP | H | R | ER | BB | SO | HR | WP |
|---|
Pitching Splits
| Overall | Last 3 | Away | Home | Day | Night | |
|---|---|---|---|---|---|---|
| W-L | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| ERA | 3.86 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| IP | 9.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| HITS | 9 | 0 | 0 | 0 | 0 | 0 |
| RUNS | 4 | 0 | 0 | 0 | 0 | 0 |
| ER | 4 | 0 | 0 | 0 | 0 | 0 |
| SO | 5 | 0 | 0 | 0 | 0 | 0 |
| BB | 3 | 0 | 0 | 0 | 0 | 0 |
| HR | 2 | 0 | 0 | 0 | 0 | 0 |
| OBP | .361 | .000 | .000 | .000 | .000 | .000 |
| WHIP | 1.29 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| GB:FB | 12.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| SB | 0 | 0 | 0 | 0 | 0 | 0 |
| CS | 1 | 0 | 0 | 0 | 0 | 0 |
| SB% | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| QS% | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Latest headlines Checkout latest headlinesRead more
MLB
06/14/2025
12:10 ET
Giants vs Dodgers Prediction, Picks & Odds for Today’s MLB Game
MLB
06/14/2025
11:14 ET
Pirates vs Cubs Prediction, Picks & Odds for Today’s MLB Game
