The Red Sox have announced that infielder Marcelo Mayer is going on the 10-day injured list following a bone stress reaction.
The #RedSox today placed infielder Marcelo Mayer on the 10-Day Injured List with a bone stress reaction to the left ulna. To fill his spot, Boston recalled infielder Tsung-Che Cheng from Triple-A Worcester. Cheng will wear number 39.
— Red Sox (@RedSox) June 26, 2026
Mayer has played in 70 games so far this season, making 39 starts at second base and 20 starts at shortstop.
Mayer has been batting .220 avg.