The Avalanche announced on Sunday that defenseman Kyle Quincey will undergo season-ending shoulder surgery. ?This is the best course of action for Kyle and his future,? said Avalanche team physician Dr. Andrew Parker. ?After physical and diagnostic tests, the decision has been made to repair his shoulder at this time.? Quincey, 25, suffered the injury on Dec. 11 at Washington. He was placed on Injured Reserve, Dec. 13 (retroactive to Dec. 11). Quincey appeared in 21 games this season, tallying one assist. The surgery will take place in the near future.