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GameDay: Avalanche at Flames — 5 storylines to watch
TUESDAYColorado Avalanche (12-6-2) vs. Calgary Flames (10-10-3)7 p.m., Scotiabank Saddledome, Sportsnet One/Sportsnet 960 The FanTHE BIG MATCHUPFlames LW Johnny Gaudreau vs. Avalanche C Nathan MacK…