Riley O'Brien is a pitcher for the St. Louis Cardinals. In 107 MLB appearances, he has a 3.78 ERA and 112 strikeouts. This page covers season stats, team history, salary history, and related info.
Season-by-season performance, contract terms, and the complete archive.
| Year | Team | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | CIN | 0 | 1 | 13.50 | 1 | 1 | 0 | 1.1 | 2 | 2 | 3 | 2 | 3.75 |
| 2022 | SEA | 0 | 0 | 0.00 | 1 | 0 | 0 | 1.0 | 1 | 0 | 1 | 1 | 2.00 |
| 2024 | STL | 0 | 0 | 11.25 | 8 | 0 | 0 | 8.0 | 13 | 10 | 8 | 11 | 2.63 |
| 2025 | STL | 3 | 1 | 2.06 | 42 | 0 | 6 | 48.0 | 33 | 11 | 22 | 45 | 1.15 |
| 2026 | STL | 3 | 6 | 4.02 | 55 | 0 | 33 | 53.2 | 43 | 24 | 23 | 53 | 1.23 |
| Career Totals | — | 6 | 8 | 3.78 | 107 | 1 | 39 | 112.0 | 92 | 47 | 57 | 112 | 1.33 |
| Year | Salary |
|---|---|
| 2024 | $740,450 |
| 2026 | $795,050 |
Career Total: $1,535,500 (2 seasons)
Average: $767,750
Salary data is available from 1985 onward.
TGN salary figures show base salary. Signing bonuses, accounting allocations, and luxury-tax values are listed separately where available.
Riley O'Brien's 2026 Opening Day salary with STL is $795,050 on a nominal basis (no deferred component recorded).
| Date | Opp | Result | IP | H | ER | BB | K | HR |
|---|---|---|---|---|---|---|---|---|
| Aug 26 | vs BAL | 7-8 L | 1.0 | 2 | 1 | 0 | 0 | 0 |
| Aug 23 | @ PHI | 4-6 L | 0.2 | 5 | 6 | 1 | 0 | 1 |
| Aug 20 | @ CIN | 10-9 W | 0.1 | 1 | 0 | 2 | 0 | 0 |
| Aug 18 | @ CIN | 3-0 W | 1.0 | 0 | 0 | 0 | 1 | 0 |
| Aug 17 | @ CIN | 2-1 W | 1.0 | 0 | 0 | 0 | 3 | 0 |
| Aug 15 | @ CHC | 8-4 W | 1.0 | 0 | 0 | 0 | 0 | 0 |
| Aug 11 | vs PHI | 2-0 W | 1.0 | 0 | 0 | 0 | 1 | 0 |
| Aug 9 | vs COL | 7-4 W | 1.0 | 0 | 0 | 0 | 0 | 0 |
| Aug 7 | vs COL | 3-2 W | 1.0 | 0 | 0 | 1 | 0 | 0 |
| Aug 5 | @ NYY | 3-1 W | 1.0 | 0 | 0 | 1 | 1 | 0 |