Ottawa Senators Defenseman Erik Karlsson Is expected to miss the rest of the year after getting his left Achilles cut but the skate of Pittsburgh Penguins forward Matt Cooke. It was at the very end of the 2nd period of the game with the game all tied up 2-2 when Karlsson and Cooke collided at the boards and Cooke accidentally stepped on the Achilles of Karlsson. Immidiatly Karlsson got up and skated off the ice hold up his left leg. Karlsson had surgery this morning but is not expected back this season. The Surgery required had to repair 70 percent of his Achilles. This is a big blow to the Senators as Karlsson leads all NHL Defensemen with 6 goals. "Its a tough Blow" sad senators captain Daniel Alfredsson. "Obviously, the way he's playing, and how much he means to our team, it feels terrible and I feel really bad for him."