3 rentals the Mariners could Use to restock the bullpen

The Mariners have seen injuries to Brash, Santos, Speier, and More. Can you believe we're only in June? Here are 3 rentals they could go after in the bullpen
Kenley Jansen, Milwaukee Brewers v Boston Red Sox
Kenley Jansen, Milwaukee Brewers v Boston Red Sox / Maddie Meyer/GettyImages
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The Mariners' pen has been marred by injuries, but we have seen unexpectedly strong performances from Austin Voth and Trent Thornton. Voth made the club, largely due to Matt Brash getting TJ surgery, and has put up a 3.16 ERA in 24 appearances. Thornton, who throws his sweeper more than any other pitch in his mix, is in the 86th percentile in barrel rate, exit velo, and hard hit %. While these performances are encouraging, it would be unwise to rely on these arms for high-leverage situations over a full season.

We're expecting Santos back in July, but the Mariners could use a right-handed reliever with high-leverage experience. If Munoz does re-aggravate his lower back or if there is another unforeseen injury, it'd be great to have another righty in front of Stanek on the depth chart. Here are three relievers we can categorize as "rentals" since they are free agents in 2025.