Riley O'Brien vs Seattle Mariners
How does Riley O'Brien play against the Seattle Mariners?
Riley O'Brien has played 4 games against the Seattle Mariners since Sep 6, 2024, and his team went 0-4. He averages 1.1 IP, 1.8 H, 0.8 R against them.
- Games
- 4
- Team record
- 0-4
- IP per game
- 1.1best 2
- H per game
- 1.8best 4
Single-game highs against the Seattle Mariners
- IP 2
- H 4
- R 2
- ER 2
- K 2
Every game against the Seattle Mariners
| IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | H: Times the batter reached base by hitting the ball, without help from an error. | R: Runs — scored by the batter, or allowed by the pitcher. | ER: Earned runs allowed — runs that scored without help from an error. | K: Batters this pitcher struck out. | |||
|---|---|---|---|---|---|---|---|
| Apr 25, 2026 |  SEA at  STL | L 11-9 | 1.0 | 4 | 2 | 2 | 1 |
| Sep 10, 2025 | STL at SEA | L 4-2 F/13 | 2.0 | 2 | 1 | 0 | 2 |
| Sep 8, 2024 | SEA at STL | L 10-4 | 1.1 | 1 | 0 | 0 | 2 |
| Sep 6, 2024 | SEA at STL | L 6-1 | 0.2 | 0 | 0 | 0 | 0 |
Game logs on file, which start in 2024 — not the player’s full career against this club.