Seattle Mariners Announce Major Coaching Shake-Up Following Disappointing 2026 Season

The Seattle Mariners will part ways with bench coach Manny Acta, infield coach Perry Hill, hitting coach Kevin Seitzer and first-base coach Eric Young Jr. after the 2026 season, in a shake-up announced by president of baseball operations Jerry Dipoto and general manager Justin Hollander. The move came a day after manager Dan Wilson said he would not return in 2027. Seattle finished 76-86 and missed the playoffs, following an American League Championship Series appearance the previous year; Dipoto said the organization believes significant changes are needed. Acta had spent 11 seasons on the major-league staff and Hill eight, while Seitzer and Young joined the staff in 2025. Several other coaches are expected to remain.
During Perry Hill’s tenure, J.P. Crawford, Evan White and Dylan Moore each won Gold Glove Awards: Crawford and White in 2020, and Moore in 2024.
Before joining Seattle, hitting coach Kevin Seitzer held the same role with the Atlanta Braves for 10 seasons, from 2015 through 2024.
Seattle’s 76-86 finish came in a season when no American League West team had a winning record; Houston won the division at 81-81.
Eric Young Jr. had served as the Mariners’ organizational baserunning coordinator in 2024 before joining the major-league staff as first-base coach.
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