It's official: the Red Sox have placed Dustin Pedroia on the 15-day DL and called up Pedro Ciriaco, with pitcher Rich Hill moving to the 60-day DL to make room on the roster, reports CSN New England's Sean McAdam.

Ciriaco was hitting .301/.318/.406 with Triple-A Pawtucket and will be on the bench Friday night. Nick Punto will start at second base and hit ninth. 

Pedroia is expected to wear a cast for two weeks after reinjuring his thumb, according to the Boston Globe's Pete Abe.

"Dustin Pedroia hyperextended his right thumb on July 3, 2012," the Red Sox said in a statement. "He was examined by the Red Sox medical staff and an MRI was performed. Dustin sustained an injury to the volar plate of his right thumb. Dustin will be treated conservatively with a brief period of immobilization. The previous injury to his right thumb adductor muscle has completely healed. This was confirmed by MRI."