Edmonton Oilers' Jeff Petry (L), Ales Hemsky (C) and Sam Gagner (2nd R) celebrate Gagner's goal as Dallas Stars goaltender Kari Lehtonen (R) and Trevor Daley look on during the first period of their NHL hockey game in Dallas, Texas February 28, 2013. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT ICE HOCKEY)