Avalanche 2, Bruins 0 Avalanche hand Bruins first loss of season ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Matthew J. Lee/Globe Staff Adam McQuaid checked Avalanche Paul Stastny into the boards during first period action of the teams' faceoff on Thursday. Matthew J. Lee/Globe Staff Later, Jarome Iginla sent Andre Benoit into the boards. Jared Wickerham/Getty Images Ryan O'Reilly netted a first-period goal for Colorado that ended up being the game-winner. Jared Wickerham/Getty Images The game marked the Boston debut of former Canadiens goaltender Patrick Roy as the Colorado coach. Matthew J. Lee/Globe Staff Milan Lucic lost his temper in a scuffle with Colorado's Gabriel Landeskog. Matthew J. Lee/Globe Staff Lucic ended up drawing a 12-minute stint in the penalty box. Matthew J. Lee/Globe Staff Chris Kelly put pressure on Paul Stastny, but Boston couldn't develop offensive rhythm during the game. Jared Wickerham/Getty Images Shawn Thornton fought with Colorado's Patrick Bordeleau during the second period. Jared Wickerham/Getty Images The Avalanche locked up their 2-0 win with an empty-net goal in the third period.