How many strikeouts (pitching) does Riley O'Brien have in 2026?
642026 Regular Season
Riley O'Brien has recorded 64 strikeouts (pitching) in the 2026 regular season, 225th in the MLB, as of Sep 22, 2026.
- Riley O'Brien's best regular season for strikeouts (pitching) in 5 seasons on file.
- Up 19 from 45 in 2025.
- 6% of the St. Louis Cardinals' strikeouts (pitching) that regular season.
- Season high: 3 @ SD on May 10, 2026.
Best of 5 regular seasons, 2021 through 2026. Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 |  CIN | 1 | 0 | 1 | 13.50 | 1.1 | 2 | 3 | 3.75 | 0 |
| 2022 |  SEA | 1 | 0 | 0 | 0.00 | 1.0 | 1 | 1 | 2.00 | 0 |
| 2024 |  STL | 8 | 0 | 0 | 11.25 | 8.0 | 11 | 8 | 2.63 | 0 |
| 2025 | STL | 42 | 3 | 1 | 2.06 | 48.0 | 45 | 22 | 1.15 | 6 |
| 2026 | STL | 66 | 3 | 9 | 4.08 | 64.0 | 64 | 29 | 1.28 | 38 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
@ LAA
@ SD
vs WSH
vs SF
