Scouting Report
Updated May 20, 2026
Matt Brash, 28-year-old Seattle Mariners relief pitcher, is recovering from right lat inflammation sustained on April 29, 2026. He was placed on the 15-day IL but has progressed well through his rehab assignment with Triple-A Tacoma. In his first rehab outing on May 15, Brash struck out the side in a perfect seventh inning, throwing 15 pitches with 9 strikes, earning the win. He is eligible for activation and trending toward a return to the major leagues. Prior to injury, Brash had not allowed a run in 14 appearances in 2026 and posted a stellar 2.47 ERA across 53 games in 2025.
Strengths
- + Perfect first rehab outing with strikeout of the side
- + Earned win in Triple-A appearance
- + Cleared for bullpen sessions
- + Touching 96 mph on fastball
- + No setbacks reported during rehab progression
- + Strong 2025 season (2.47 ERA, 53 games)
- + Scoreless streak of 14 appearances before injury in 2026
- + Eligible for activation as of May 15
Weaknesses
- - Right lat inflammation requiring IL placement
- - Struggled in second rehab outing with walks and command issues
- - Displayed grimaces and reduced athleticism in second appearance
- - Mariners taking cautious approach with multiple rehab appearances required
- - Team bullpen has been depleted with multiple injuries
Injury Status: day-to-day -- Right lat inflammation; sustained April 29, 2026 after two pitches in game; progressing through Triple-A rehab assignment
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