Pittsburgh Penguins

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Dallas Stars' Tyler Seguin (91) celebrates his first-period goal with teammates during an NHL hockey game against the Pittsburgh Penguins, in Pittsburgh on Tuesday, March 18, 2014. (AP Photo/Gene Puskar)

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Pittsburgh Penguins' Chris Kunitz (14) celebrates his first-period goal with Sidney Crosby (87) during an NHL hockey game against the Dallas Stars in Pittsburgh, Tuesday, March 18, 2014. (AP Photo/Gene Puskar)

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Pittsburgh Penguins' Sidney Crosby (87) backhands a shot past Dallas Stars goalie Kari Lehtonen (32) for a goal during the first period of an NHL hockey game in Pittsburgh, Tuesday, March 18, 2014. (AP Photo/Gene Puskar)