The Red Sox called up RHP Matt Barnes, the team announced on Saturday. Barnes is 2-2 with a 4.24 ERA in 15 previous games with the Sox this season. He's 1-0, 4.42 in nine games at Triple-A Pawtucket.
To make room on the roster, the Red Sox optioned infielder Travis Shaw to Triple-A. Shaw is 0 for 9 in six games with Boston.