Seattle Mariners have appointed 36-year-old Jason Kanzler as their new manager, the Major League Baseball club announced on Tuesday.
The hiring makes Kanzler one of the youngest managers in MLB history. He takes over a Mariners team that has been seeking a return to postseason contention.
Kanzler's appointment was confirmed by the organization on November 3, 2026. Further details regarding his coaching background and contract terms were not immediately disclosed.



