The Angels' two prior assistant GMs accepted promotions with other clubs last month. Matt Klentak, who dealt mostly with Major League transactions, is the Phillies' GM. Scott Servais, who ran scouting and player development, is the Mariners' manager.
Martone will handle baseball-operations initiatives with the Angels, but Eppler isn't expected to have a set right-hand man. Director of pro scouting Hal Morris and director of baseball operations Justin Hollander will also have a voice on who to acquire via free agency or trade, with other hires expected.
Coaching changes: Gary DiSarcina is expected to transition from third-base coach to first-base coach in 2016, a source said.