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Mariners flesh out bullpen depth, trade for RHP Will Klein from Athletics for international amateur slot money

The Seattle Mariners announced Tuesday that they have acquired RHP Will Klein in a trade with the Athletics for international slot money. In a corresponding move, they’ve designated recently claimed LHP Tyler Jay for assignment.

We’ve acquired RHP Will Klein from the Athletics in exchange for international slot money. He has been added to the 40-man roster.

https://t.co/7jL9CiB4Jr pic.twitter.com/iNcwgGNHLV— Seattle Mariners (@Mariners) January 21, 2025

Klein had been DFA’d by the Athletics on January 17th to clear a roster spot for newly signed RHP Jose Leclerc.