The Seattle Mariners have acquired left-handed reliever Caleb Ferguson from the Pittsburgh Pirates. The trade gives their bullpen another arm as they make a playoff push.

The Pittsburgh Pirates have traded left-handed reliever Caleb Ferguson to the Seattle Mariners. The deal was first reported by MLB.com’s Mark Feinsand and others before being announced by the Pirates on Wednesday night. Pittsburgh acquired right-handed pitching prospect Jeter Martinez in a one-for-one deadline deal.

Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the Mariners have acquired left-handed pitcher Caleb Ferguson from the Pittsburgh Pirates in exchange for minor league right-handed pitcher Jeter Martinez.