Boston learned Sunday that Marcelo Mayer will undergo surgery on his injured right wrist, ending his 2025 season. Manager Alex Cora said Mayer sprained the wrist, received an anti-inflammatory shot in August, and now heads to a procedure with a roughly three‑month recovery window. Mayer, the No. 4 overall pick in 2021, spent May to late July navigating the majors in 44 games, hitting .228/.272/.402 with four homers and ten RBIs. With the Red Sox chasing an AL wild-card spot, the timing of Mayer’s absence adds another hurdle to the team’s push, while also shaping the organization’s plans for spring training. Fantasy managers should note Mayer’s elite upside remains intact despite the setback and monitor how Boston reshapes its infield depth as the off-season begins.