Colorado Avalanche

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Chicago Blackhawks center Peter Regin (12) and Colorado Avalanche left wing Patrick Bordeleau collide during the first period of an NHL hockey game Tuesday, March 4, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

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Chicago Blackhawks center Peter Regin (12) checks Colorado Avalanche defenseman Tyson Barrie (4) along the boards during the first period of an NHL hockey game Tuesday, March 4, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

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Colorado Avalanche center Nathan MacKinnon, left, loses the puck as Chicago Blackhawks defenseman Johnny Oduya, center, and defenseman Niklas Hjalmarsson (4) defend during the first period of an NHL hockey game Tuesday, March 4, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

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Colorado Avalanche goalie Semyon Varlamov (1) dives on a loose puck during the third period of an NHL hockey game against the Chicago Blackhawks Tuesday, March 4, 2014, in Chicago. The Avalanche won 4-2. (AP Photo/Charles Rex Arbogast)

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Phoenix Coyotes' Chris Brown, left, screens Colorado Avalanche's Semyon Varlamov, right, of Russia, during an NHL hockey game Saturday, April 6, 2013, in Glendale, Ariz. (AP Photo/Paul Connors)