| 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 |
|---|---|---|---|
| 11 | 2.842 | 0.95 | 89 |
Live and Upcoming
Athletics vs St. Louis Cardinals
MLBWatch America's pastime on its biggest stage as baseball's greatest stars swing for the fences
Athletics vs St. Louis Cardinals
MLBWatch America's pastime on its biggest stage as baseball's greatest stars swing for the fences
Athletics vs St. Louis Cardinals
MLBWatch America's pastime on its biggest stage as baseball's greatest stars swing for the fences
Athletics vs St. Louis Cardinals
MLBWatch America's pastime on its biggest stage as baseball's greatest stars swing for the fences
St. Louis Cardinals at Athletics
MLBSt. Louis visits the Athletics for the second game of a three-game series in California. St. Louis looks to navigate the unique dimensions of the minor-league venue in West Sacramento, while the Athletics aim to defend home turf in Game 2.
Riley O Brien Stats
| Season | Team | GP | GS | W | L | ERA | WHIP | IP | K/BB | ER | SAVE | HLD | K | BB | H | TOTAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | STL | 19 | 0 | 3 | 1 | 2.842 | 0.95 | 19.0 | 23.0 | 6 | 11 | 1 | 89 | 1 | 17 | 7 |
| 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 | 71 | 1 | 6 | 3 | 2.70 | 0.95 | 77.1 | 2.6 | 29 | 17 | 7 | 369 | 33 | 66 | 32 |
On Demand
St. Louis Cardinals vs Milwaukee Brewers
MLBWatch America's pastime on its biggest stage as baseball's greatest stars swing for the fences
St. Louis Cardinals vs Milwaukee Brewers
MLBWatch America's pastime on its biggest stage as baseball's greatest stars swing for the fences
St. Louis Cardinals at San Diego Padres
MLBThe San Diego Padres welcome the St. Louis Cardinals to Petco Park in a National League showdown. San Diego of the NL West faces the NL Central's St. Louis in the third game of a four-game series as both teams look to move up in the standings.
St. Louis Cardinals at San Diego Padres
MLBThe Cardinals conclude their road trip in San Diego for a Sunday matinee. St.Louis aim to overcome a tough Padres rotation, while San Diego looks to utilize home-field advantage and deep bullpen to secure a series win at Petco Park.