SEATTLE, Wash. — Seattle Mariners Executive Vice President & General Manager of Baseball Operations Jerry Dipoto and Director of Player Development Andy McKay announced today the Mariners Player Development Staff for the 2020 season, which includes a promotion to Minor League Field Coordinator for Tony Arnerich.
To support the minor league managers and coaches, the Mariners player development program has assembled an 8-person group of coordinators, led by 1st-year Minor League Field Coordinator Tony Arnerich (see below). Alvin Davis (10th season), Pete Harnisch (5th season), Dan Wilson (7th season) and Mike Cameron (1st full season) will each serve as a Special Assistant.