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On the Battle of Alberta stage, a beleaguered Koskinen shines for Oilers

EDMONTON — Like the Grinch who stole Christmas, somewhere between the first and second periods on Saturday night, the Edmonton Oilers‘ hearts grew three times in size.A game that began like so many others of late, with the Calgary Flames holding a 2-0 lead after 20 minutes, did not end the way the past seven — or 13 of the previous 15 — had for the Oilers.Somewhere along the way the bad goalie, the horrible power play and the unproductive supers…