The Blue Jackets gave Mason an early lead and he protected it en route to his 19th NHL shutout, which snapped Columbus' 0-9-1 skid against the Avalanche that dated to the 2009-10 season.
The Avalanche had their four-game winning streak snapped as they were shut out for the seventh time this season. They also missed a chance to move into eighth place in the Western Conference standings.
(Copyright 2012 by The Associated Press. All Rights Reserved.)