Red Sox optioned RHP Manny Delcarmen to Triple-A Pawtucket.
David Riske isn't quite ready to return, so maybe the Red Sox have decided they want lefty specialist Mike Holtz on the roster for the series against the Yankees. Riske could then take Holtz's spot this weekend

Woohoo for mop-up guys and specialists. Having Holtz for the Giambsuis may be helpful tough