| HT/WT | 6'4", 180 lbs |
| Age | 31 |
| Draft | 2017: Rd 8, Pk 4 (TB) |
| College | College of Idaho |
| Birthplace | Seattle, USA |
| Bat/throw | R/R |
| SV | ERA | WHIP | K |
|---|---|---|---|
| 30 | 3.144 | 1.13 | 234 |
Live and upcoming
St. Louis Cardinals at Chicago Cubs
MLBFrom Wrigley Field in Chicago.
St. Louis Cardinals at Chicago Cubs
MLBFrom Wrigley Field in Chicago.
St. Louis Cardinals at Chicago Cubs
MLBThe Chicago Cubs meet the St. Louis Cardinals to close a three-game National League series at Wrigley Field. Right-handed pitcher Hunter Dobbins is the projected starter for the Cardinals against left-handed pitcher Shota Imanaga for the Cubs.
St. Louis Cardinals at Cincinnati Reds
MLBFrom Great American Ball Park in Cincinnati.
St. Louis Cardinals at Cincinnati Reds
MLBFrom Great American Ball Park in Cincinnati.
St. Louis Cardinals at Cincinnati Reds
MLBFrom Great American Ball Park in Cincinnati.
St. Louis Cardinals at Cincinnati Reds
MLBFrom Great American Ball Park in Cincinnati.
St. Louis Cardinals at Cincinnati Reds
MLBFrom Great American Ball Park in Cincinnati.
Riley O Brien Stats
| Season | Team | GP | GS | W | L | ERA | WHIP | IP | K/BB | ER | SAVE | HLD | K | BB | H | TOTAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 |  STL | 49 | 0 | 3 | 4 | 3.144 | 1.13 | 48.2 | 2.5 | 17 | 30 | 1 | 234 | 18 | 35 | 19 |
| 2025 | STL | 42 | 0 | 3 | 1 | 2.063 | 1.15 | 48.0 | 2.0 | 11 | 6 | 6 | 212 | 20 | 33 | 13 |
| 2024 | STL | 8 | 0 | 0 | 0 | 11.25 | 2.62 | 8.0 | 1.4 | 10 | 0 | 0 | 52 | 8 | 13 | 10 |
| 2022 |  SEA | 1 | 0 | 0 | 0 | 0 | 2.00 | 1.0 | 1.0 | 0 | 0 | 0 | 5 | 1 | 1 | 0 |
| 2021 |  CIN | 1 | 1 | 0 | 1 | 13.5 | 3.75 | 1.1 | 0.7 | 2 | 0 | 0 | 11 | 3 | 2 | 2 |
| Career | 101 | 1 | 6 | 6 | 2.72 | 0.97 | 107 | 0.7 | 40 | 36 | 7 | 514 | 50 | 84 | 44 |
On Demand
Philadelphia Phillies at St. Louis Cardinals
MLBThe Cardinals and the Phillies play the opening game of their three-game series at Busch Stadium. The Phillies count on starting pitcher Andrew Painter to take the mound, against the Cardinals that look to right-handed pitcher Hunter Dobbins.
Philadelphia Phillies at St. Louis Cardinals
MLBPrimer juego de la serie regular de la MLB 2026. Philadelphia Phillies visita a St. Louis Cardinals. Desde el Busch Stadium, en St. Louis, Misuri.
St. Louis Cardinals at New York Yankees
MLBThe St. Louis Cardinals meet the New York Yankees to close a three-game series at Yankee Stadium. Right-handed pitcher Andre Pallante is the projected starter for the Cardinals against right-handed pitcher Will Warren for the Yankees.
Philadelphia Phillies at St. Louis Cardinals
MLBFrom Busch Stadium in St. Louis, Mi.
Philadelphia Phillies at St. Louis Cardinals
MLBFrom Busch Stadium in St. Louis, Mi.