Dan Wilson will not be back as the Mariners' manager in 2027, per MLB Trade Rumors. Wilson told the team before today's season finale that he wouldn't be returning to the job for next season, according to the Seattle Times' Ryan Divish.
The decision comes after a disappointing 2026 season for Seattle. Per CBS Sports, the Mariners went from reaching Game 7 of the ALCS in 2025 to missing the playoffs this year. Yahoo Sports noted the team has been among baseball's most disappointing in 2026.
The Mariners will search for a new manager this offseason.