The Seattle Mariners have named Jason Kanzler as their new manager, selecting the former Houston Astros assistant hitting coach over Astros bench coach Joe Espada. Kanzler, who served as assistant hitting coach for the Astros, joins the Mariners following the team's search for a replacement. The hiring was announced on November 3, 2026.
Seattle Mariners hire former Astros assistant Jason Kanzler as manager
