Riley O'Brien
RP - St. Louis Cardinals
Age: 30College: College of IdahoBats: RThrows: RCountry: USA
2026 Outlook
Draft Rank (ECR)
P #163
Best / Worst
#118 / #118
ADP
N/A
Roster %
Yahoo
7%
ESPN
2%
Eligibility
Yahoo
RP
ESPN
RP
CBS
RP
Availability
| Pitching Stats | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | G | GS | W | L | SV | BS | HD | CG | SHO | IP | H | R | ER | HR | BB | BB% | K | K% | ERA | WHIP |
| 2021 | CIN | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.1 | 2 | 2 | 2 | 2 | 3 | 33.33 | 2 | 22.22 | 13.50 | 3.75 |
| 2022 | SEA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 20.00 | 1 | 20.00 | 0.00 | 2.00 |
| 2024 | STL | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 13 | 10 | 10 | 2 | 8 | 17.39 | 11 | 23.91 | 11.25 | 2.63 |
| 2025 | STL | 42 | 0 | 3 | 1 | 6 | 3 | 6 | 0 | 0 | 48 | 33 | 13 | 11 | 2 | 22 | 11.06 | 45 | 22.61 | 2.06 | 1.15 |
| Totals | 52 | 1 | 3 | 2 | 6 | 4 | 6 | 0 | 0 | 58.1 | 49 | 25 | 23 | 6 | 34 | 13.13 | 59 | 22.78 | 3.55 | 1.42 | |
