Riley O`Brien
2021–2025 · bats R / throws R · Cincinnati Reds, Seattle Mariners, St. Louis Cardinals
52G
–AVG
–OBP
–SLG
0H
0HR
0RBI
0SB
3–2W–L
58IP
59K
3.55ERA
1GS
6SV
Career batting
| G | PA | AB | R | H | 2B | 3B | HR | RBI | BB | K | SB | CS | HBP | SF | TB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – | – | – | – |
Career pitching
| IP | G | GS | CG | W | L | SV | H | R | ER | HR | BB | K | HBP | WP | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 58.3 | 52 | 1 | 0 | 3 | 2 | 6 | 49 | 25 | 23 | 6 | 34 | 59 | 0 | 0 | 3.55 | 1.423 |
Season by season
| Year | Team | G | AB | H | HR | RBI | SB | AVG | IP | K |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 |  Cincinnati Reds | 1 | – | – | – | – | – | – | 1 | 2 |
| 2022 |  Seattle Mariners | 1 | – | – | – | – | – | – | 1 | 1 |
| 2024 |  St. Louis Cardinals | 8 | – | – | – | – | – | – | 8 | 11 |
| 2025 | St. Louis Cardinals | 42 | – | – | – | – | – | – | 48 | 45 |