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Scouting Report
Updated May 19, 2026
Matt Brash, 28-year-old relief pitcher for the Seattle Mariners, is recovering from right lat inflammation sustained on April 29, 2026. The elite reliever (2.47 ERA in 2025, 0 runs allowed in 14 appearances in 2026) has progressed through rehab stages and is currently on a rehab assignment with Triple-A Tacoma as of May 14. His second rehab outing showed concerning command issues and potential discomfort, though he completed the appearance without being pulled by training staff. The Mariners are taking a cautious approach to his return, with hopes he can provide a pivotal boost to their bullpen soon.
Strengths
- + Elite reliever with 2.47 ERA in 2025
- + Had not allowed a run in 14 appearances before injury in 2026
- + Progressing through rehab stages as planned
- + Struck out first batter in second rehab outing
- + Touched 96 mph on fastball in first rehab appearance
- + Struck out all three batters in first rehab outing
- + Left rehab appearance under his own power without training staff intervention
- + Age 28 - prime years for relief pitcher
- + Mariners optimistic about return timeline
Injury Status: IL-15 -- Right lat inflammation. Landed on 15-day IL on April 29, 2026. Currently on rehab assignment with Triple-A Tacoma. Had not allowed a run in 14 appearances in 2026 before injury. Progressing through rehab: began playing catch on May 5, cleared for bullpen session on May 11, began rehab assignment with Tacoma on May 14. Second rehab game showed mixed results - struck out first batter but walked two with command issues and displayed grimaces/reduced athleticism on fielding plays.
About
Matt Brash is a rp for the Seattle Mariners.
Player Overview
RP
Seattle Mariners
Recent News
Matt Brash and Gabe Speier continue their journeys back to MLB
May 17, 2026
Mariners News: Gabe Speier, Matt Brash, and Victor Robles
May 16, 2026
Matt Brash (lat) struck out the side in a scoreless inning for Triple-A Tacoma on Thursday.
May 15, 2026
Matt Brash (lat) will begin a minor league rehab assignment at Triple-A Tacoma on Thursday.
May 14, 2026
Matt Brash (lat) is scheduled to throw a bullpen session on Monday.
May 11, 2026