Seattle Mariners Hitting Coach Leaves to Take Same Job with American League Rival
A young Seattle Mariners coach will not return to the club in 2025.
The Seattle Mariners will have to find another new coach for 2025.
Mariners fans are anxiously waiting to see what moves the team makes in free agency. But so far, the biggest move aside from player and club options is relating to the coaching staff.
Assistant hitting coach Tommy Joseph will leave Seattle after one season on the staff to take the same role with the Baltimore Orioles, per a report from MLB.com Mariners writer Daniel Kramer.
MASN Sports’ Orioles reporter Roch Kubatko was the first to report the move.
Joseph spent 11 years as a professional player from 2009-2019. He played two seasons with the Philadelphia Phillies from 2016-17 and one more year in Japan’s Nippon Professional League in 2019.
Joseph joined Seattle’s coaching staff in 2024 and was one of the lone holdovers in the hitting staff when offensive coordinator Brant Brown was fired in May and when his successor Jarrett DeHart was fired on Aug. 22.
Joseph’s departure from the team sets up an interesting scenario for the coaching staff in 2025.
Mariners and Baseball Hall of Famer Edgar Martinez was hired as the new hitting coach on Aug. 22 with manager Dan Wilson.
Martinez took the job in a full-time capacity as a favor to Wilson, a former teammate of his with Seattle in the 90s and early-2000s.
It was only a month-long sample size, but the duo of Martinez and Wilson netted possitive results for the Mariners, especially on offense. Seattle had the fourth-best record (21-13), had the 11th-most hits (292), the sixth-most RBIs (165), the 10th-most home runs (42), the third-most steals (42) and eighth-highest batting average (.255) in te league after Wilson and Martinez were hired
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