Scouting Report: Gabriel Sequeira
Chicago Cubs | RP
Overall
Summary
Gabe Speier, 31-year-old southpaw reliever for the Seattle Mariners, was placed on the 15-day injured list on May 4, 2026, due to left shoulder inflammation. The move was retroactive to May 3. Speier has been a mainstay of the Mariners bullpen since 2023, appearing in 69 games in 2023 and 76 in 2025 (tied for fifth in MLB). He posted a 2.61 ERA and 0.87 WHIP in 2025. His last appearance was April 29, allowing a run in 2/3 of an inning. Speier is a Santa Barbara native who spent 2019-2022 with Kansas City before establishing himself in Seattle. Career record: 6-11 with 3.60 ERA, 226 strikeouts and 56 walks in 192 2/3 innings across 230 games.
Strengths
- Established bullpen mainstay since 2023
- Strong 2025 season with 2.61 ERA and 0.87 WHIP
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