The Boston Red Sox had one of the most active offseasons heading into the 2025 season. They added several reliable pitchers and one of the hottest free-agent signings in former Houston Astros third baseman Alex Bregman.

Cora described Mayer is “toolsy” and “very mature.” He’s a good defender," Cora said. “He cares about defense. He really does, which I love. It’s easy for him to play defense. Offensively, there’s a few things that we truly believe he needs to get better (at)."