Riley O'Brien
Bats
Right
Throws
Right
Height
6' 4"
Weight
180 lb
Born
Feb 6, 1995
Birthplace
Seattle, WA
MLB Service
4.137
Years.Days (est.)
Draft
2017 · Round 8, Pick 229 (Tampa Bay Rays)
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Current Contract
| 2026 | 2027 | 2028 | Free Agency | |
|---|---|---|---|---|
| Cap Hit | $795K | — | — | UFA2029 |
| Age | 31 | 32 | 33 |
MLB Pitching — Year by Year
2026 updates live from MLB| Year | Team | G | W-L | SV | IP | ERA | WHIP | K | WAR |
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Cincinnati Reds | 1 | 0-1 | 0 | 1.1 | 13.50 | 3.75 | 2 | -0.2 |
| 2022 | Seattle Mariners | 1 | 0-0 | 0 | 1.0 | 0.00 | 2.00 | 1 | -0.0 |
| 2024 | St. Louis Cardinals | 8 | 0-0 | 0 | 8.0 | 11.25 | 2.63 | 11 | -0.2 |
| 2025 | St. Louis Cardinals | 42 | 3-1 | 6 | 48.0 | 2.06 | 1.15 | 45 | 0.3 |
| 2026 | St. Louis Cardinals | 39 | 3-3 | 24 | 39.1 | 3.43 | 1.12 | 39 | 0.6 |
| Career | 91 | 6-5 | 30 | 97.2 | 3.50 | 1.30 | 98 | 0.5 | |