Mariners eye Tanner Swanson as new bench coach

The Mariners are filling out new manager Jason Kanzler’s coaching staff.

The team is in the process of hiring Tanner Swanson to be its next bench coach, a source tells MLB.com’s Daniel Kramer. Swanson, a Washington state native who graduated from Central Washington University, was on the Yankees’ Major League staff from 2020-26. He had served as New York’s director of catching since…