| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 2 | 3 | 0 | 17 | 48.0 | 36 | 12 | 63 | 18 | 3.35 | 0.995 | 17.1 |
| 2026 | 0 | 1 | 0 | 0 | 2.3 | 4 | 0 | 3 | 2 | 7.71 | 1.714 | -16.8 |
| 2025 | 4 | 3 | 0 | 24 | 62.0 | 43 | 11 | 82 | 18 | 2.61 | 0.871 | 38.6 |
| 2024 | 0 | 2 | 0 | 7 | 23.7 | 19 | 14 | 33 | 15 | 5.70 | 1.394 | -2.8 |
| Date | News |
| 3/06/26 | Mariners’ Gabe Speier ‘earned every bit’ of WBC spot with Team USA. Sixteen years after he cracked his varsity high school roster as a freshman, Mariners reliever Gabe Speier made another roster this winter — with Team USA. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 12/06/25 | Mariners trade catching prospect Harry Ford to Nationals for reliever Jose Ferrer. The Mariners made it clear from the start of the offseason — they wanted to add an experienced left-handed reliever to join Gabe Speier in their bullpen. On Saturday, less than 24 hours before the start of the MLB winter meetings, MLB sources confirmed the Mariners finalized a deal to acquire Jose Ferrer from the […] Source: https://www.seattletimes.com/sports/mariners/marin... |
| 11/11/25 | Mariners free-agency preview: Any relief on horizon for bullpen?. The Mariners are looking toupgrade the bullpen, and are seeking an experienced leverage arm and another left-handed reliever to help out Gabe Speier. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 10/06/25 | ALDS: Mariners benefit from Gabe Speier’s resurgence on mound. In his first playoff appearance, Mariners reliever Gabe Speier has retired all eight batters he's faced in the first two games of the ALDS vs. the Tigers. Source: https://www.seattletimes.com/sports/mariners/alds-... |
See all news and stats for this player