Mariners Finalize 2025 Coaching Staff with Edgar Martinez in Expanded Role

Seattle adds Kevin Seitzer and Bobby Magallanes to lead hitting, while Edgar Martinez oversees overall hitting strategy in a hybrid role.

The Seattle Mariners have announced their full coaching staff for the 2025 MLB season under manager Dan Wilson, with several new hires and role changes.
Edgar Martinez, who served as interim hitting coach late in 2024, will now take on the role of senior director of hitting strategy, providing oversight of the team's hitting program in a hybrid capacity.
Kevin Seitzer, formerly the Atlanta Braves hitting coach, has been named the Mariners' new hitting coach, with Bobby Magallanes joining as his assistant, bringing experience from their tenure in Atlanta.
Louis Boyd has been promoted to Major League field coordinator, replacing Carson Vitale, who has joined the Miami Marlins as bench coach.
Other notable changes include Eric Young Jr. stepping up as first base coach and Manny Acta moving back to the bench coach role after four seasons as third base coach.