Boston Red Sox versatile rookie infielder Marcelo Mayer will undergo surgery on his right wrist that will end his season, manager Alex Cora announced Sunday.

Samuel Basallo was called up by the Baltimore Orioles on Sunday, a fitting present for the team's No. 1 prospect, who turned 21 this week.

The Miami Marlins placed All-Star outfielder Kyle Stowers on the 10-day injured list Sunday with a strained left oblique.