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Scouting Report
Updated May 19, 2026
Seattle Mariners placed southpaw reliever Gabe Speier on the 15-day injured list due to left shoulder inflammation (retroactive to May 3, 2026). Speier, 31, has been a mainstay of the Seattle bullpen since 2023, making 69 appearances in 2023 and 76 in 2025 (tied for 5th in MLB). He posted a 2.61 ERA and 0.87 WHIP in 2025. His last appearance was April 29 against Minnesota. The Mariners also have Matt Brash on the IL with lat inflammation, creating significant bullpen depth concerns.
Strengths
- + Established reliever with consistent performance history
- + 2.61 ERA and 0.87 WHIP in 2025 demonstrates strong control and effectiveness
- + 76 appearances in 2025 tied for 5th in MLB showing durability and reliability
- + Mainstay of Seattle bullpen since 2023 with 69 appearances in 2023
- + Career 3.60 ERA across 230 games with 226 strikeouts in 192.2 innings
- + Left-handed pitcher providing valuable bullpen versatility
Injury Status: IL-15 -- Left shoulder inflammation. Last appeared April 29, 2026, allowing a run in 2/3 of an inning. Placed on 15-day IL retroactive to May 3, 2026.
About
Gabe Speier is a rp for the Seattle Mariners.
Player Overview
RP
Seattle Mariners