Rookie infielder Marcelo Mayer is out indefinitely after suffering a right wrist sprain, which will mean Ceddanne Rafaela — the elite center fielder — playing more second base, manager Alex Cora said Friday.

Red Sox rookie infielder Marcelo Mayer landed on the 10-day injured list with a right wrist sprain. He's unsure of the severity.

With Marcelo Mayer all but certain to be placed on the injured list with a wrist injury, the Red Sox are summoning David Hamilton from Triple-A Worcester.