Penguins D Orpik placed on IR

Pittsburgh, PA ( - Pittsburgh Penguins defenseman Brooks Orpik was placed on injured reserve after being taken off on a stretcher in Saturday's 3-2 loss to the Boston Bruins.

Orpik was grabbed from behind by Bruins forward Shawn Thornton and shoved to the ice during a scrum with 8:54 remaining in the first period. Thornton knocked the veteran blueliner unconscious after punching him in the head while on the ice.

The 33-year-old was taken off the ice in a stretcher and transported to Massachusetts General Hospital. Earlier in the game, Orpik threw a heavy hit that concussed Bruins forward Loui Eriksson.

Orpik has one goal and six assists in 30 games this season. The Penguins recalled defenseman Brian Dumoulin from Wilkes-Barre Scranton of the AHL to take his place.