Mariners part ways with bench coach Acta and hitting coach Seitzer
Seattle is overhauling its coaching staff heading into 2026, with at least two prominent names confirmed not returning.
The Seattle Mariners have confirmed that bench coach Manny Acta and hitting coach Kevin Seitzer will not be back with the organization for the 2026 season. The departures represent significant changes to the team's coaching infrastructure. Seattle will need to fill multiple key roles on manager Scott Servais's staff ahead of next season.
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