Trent Blank (Bullpen Coach) will be in his 1st season as the club’s Bullpen Coach after spending the 2020 season as the club’s Acting Bullpen Coach. The 2021 season will be his 2nd on a Big League coaching staff and his 3rd as a coach in the Mariners organization. He joined the Mariners as the Coordinator of Pitching Strategy in 2019 and was tabbed to serve in that role again in 2020 before joining the Big League coaching staff. Prior to joining the Mariners organization, he spent 4 years with TMI Sports Medicine working as a Baseball Performance Specialist.
Mariners Announce 2021 Coaching Staff
