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Scouting Report
Updated May 19, 2026
Matt Brash, 28-year-old relief pitcher for the Seattle Mariners, is dealing with right lat inflammation. He landed on the 15-day injured list at the beginning of May. As of mid-May, Brash has progressed through his rehab protocol - beginning with playing catch on May 5th, clearing a bullpen session on May 11th, and beginning a rehab assignment with Triple-A Tacoma on May 14th. Before the injury, Brash had not allowed a run in 14 appearances in 2026 and posted a stellar 2.47 ERA across 53 games in 2025. The Mariners are hopeful he can return soon assuming no setbacks occur. He is trending in the right direction and could return soon.
Strengths
- + Elite reliever with 2.47 ERA in 2025
- + Perfect 14-game scoreless streak in 2026 before injury
- + Progressing well through rehab protocol
- + Young at 28 years old with good recovery potential
- + Mariners optimistic about quick return
- + Trending in right direction with no setbacks reported
Weaknesses
- - Currently on 15-day injured list with lat inflammation
- - Lat injuries can be problematic for pitchers
- - Mariners struggling at 21-23 record without him
- - Loss of key bullpen contributor impacts team depth
Injury Status: IL-15 -- Right lat (latissimus dorsi) inflammation; landed on IL early May 2026; progressing through rehab with catch play (May 5), bullpen session (May 11), and Triple-A rehab assignment (May 14)
About
Matt Bush is a rp for the Chicago Cubs.
Player Overview
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Chicago Cubs