Boston.com · Dec 31, 2025
Marcelo Mayer set to take over No. 11 from Rafael Devers
Marcelo Mayer points to the Red Sox dugout after hitting a home run on June 11.Marcelo Mayer’s new number: Fittingly, the Red Sox appear to be closing out 2025 by officially turning the page on Rafael Devers.
The former Boston slugger was notably traded to the Giants in June. His jersey number (No. 11) remained vacant for the remainder of the season. But as of an official update to the team’s roster that was noticed on Tuesday, it appears there is a new Red Sox No. 11.
Marcelo Mayer, one of the top prospects in Boston’s system in 2025, is now listed on the Red Sox website as the team’s No. 11. Mayer wore No. 39 during his rookie season.
