Senators Pengui

Senators Penguins Hockey
AP - Sports
Ottawa Senators defenseman Erik Karlsson, center, grimaces as he hits the boards after colliding with Pittsburgh Penguins left wing Matt Cooke, left, during the second period of an NHL hockey game in Pittsburgh on Wednesday, Feb. 13, 2013. Karlsson was helped off the ice. (AP Photo/Gene J. Puskar)
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