Mariners Place Matt Brash on 15-Day IL: Right Lat Inflammation

The Seattle Mariners put left-handed reliever Matt Brash on the 15-day injured list after an MRI found trace inflammation in his lat muscle. There wasn’t any major structural damage, but Seattle’s medical team decided to play it safe and focus on Brash’s long-term health.

Brash left his outing against the Minnesota Twins after just two pitches. He felt some throwing discomfort, which kicked off a wider update on the team’s pitching situation and a few active rehab notes around the organization.

Brash to IL; MRI Indicates Lat Inflammation, Not Structural Damage

The MRI showed trace inflammation in Brash’s lat, but nothing severe. General manager Justin Hollander said they want to be careful and keep Brash healthy for the future.

Seattle called up left-hander Josh Simpson from Triple-A Tacoma to take Brash’s spot. Simpson has given up one run in 9 1/3 innings for the Rainiers this season, so he’s an option out of the bullpen if the Mariners need some quick help or a bridge until Brash returns.

The team thought about a shorter IL stint, but they’d rather avoid a setback. They’re clearly trying to protect a young reliever who’s become a big part of Seattle’s late-inning plans this season.

Seattle’s medical staff will also keep an eye on a few other players working through rehab and throwing programs. The team’s updates suggest a busy rehab operation across the system as the Mariners look for help from different places.

Other Mariners Injury Updates and Rehab Progress

Several players are working through rehab assignments or getting close to returning. These timelines could shake up the rotation and bullpen plans soon.

Here’s a quick look at what’s happening across the organization:

• Bryce Miller – He’ll make his next start on May 6 for Single-A Everett. Miller’s still building up, and the team wants to see how his stuff looks in real games.
• Brendan Donovan – (left groin strain) He probably won’t get activated during this homestand. Donovan will play two rehab games at Double-A Arkansas before heading to Chicago to rejoin the club.
• Victor Robles – (right pec strain) Robles starts a rehab assignment Sunday. The plan is weekly check-ins and at least a seven-day stint, mainly to rebuild his timing and outfield strength.
• Carlos Vargas – (right lat strain) Vargas had a setback and needs to restart his throwing program. He’ll take it slow, gradually loading up his arm again.
• Miles Mastrobuoni – (calf strain) He’s rehabbing in Arizona after hurting his other calf this time. It’s a reminder that these multi-location injuries can be tricky between rehab and getting back to full speed.
• Patrick Wisdom – (left oblique strain) Wisdom begins his rehab assignment this weekend. The Mariners are checking their bench and infield depth while they wait for him to be fully healthy.

Fans will want to keep an eye out for more updates as Brash works through his IL stint and as other rehab assignments play out. With the season rolling, Seattle’s hoping for a steady stream of healthy players to keep the team in the mix. More precise timelines should come as medical and performance data roll in—sometimes it feels like you just have to wait and see.

 
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