Mariners hire Tanner Swanson and CJ Gillman for coaching staff
Yahoo Sports • 1 min read • Latest: Nov 10, 2026, 1:48 AM
Last updated Nov 10, 2026
The Seattle Mariners have hired Tanner Swanson as bench coach and CJ Gillman as hitting coach for the 2027 season. The announcement, made on November 10, comes shortly after the introduction of their new manager, Jason Kanzler. Swanson previously worked with the New York Yankees while Gillman directed hitting for the Washington Nationals last year. Both coaches have ties to Washington state, with Swanson having grown up in Roslyn and Gillman previously serving as the Mariners' minor league hitting coordinator.
- •Mariners announced new coaching hires on November 10.
- •Tanner Swanson will serve as bench coach.
- •CJ Gillman appointed as hitting coach.
- •Swanson spent seven years with the Yankees.
- •Gillman returns after serving as minor league hitting coordinator.
- 1:48 AMYahoo Sports — Mariners hire hitting coach, bench coach for 2027 season
"Less than a week after introducing their new manager, the Mariners are adding two more members to their coaching staff.
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