Mikko Rantanen scored at 4:23 of overtime on a 2-on-1 with Matt Duchene and the Avalanche stopped their slide with a 2-1 victory Friday night.
Mikko Rantanen scored three times for his first career hat trick, Calvin Pickard stopped 27 shots and last-place Colorado beat the Montreal Canadiens 4-0 on Tuesday night.
Jarome Iginla had a goal and an assist, and the reeling Avalanche beat the Winnipeg Jets 5-2 on Saturday.
Troy Terry scored the lone shootout goal, Tyler Parsons stopped all five shots he faced in the tiebreaker and the United States outlasted Canada 5-4 on Thursday night to win the world junior hockey title.
"Our logo and our name is really going to exhibit the highest element of the warrior class - the knight," Bill Foley said.
Landeskog scored with 9:37 remaining, Calvin Pickard stopped 32 shots for his second NHL shutout and the Avalanche beat the Minnesota Wild 1-0 on Saturday.
Patrick Roy resigned as coach of the Colorado Avalanche on Thursday.
Sidney Crosby set up Kris Letang's go-ahead goal midway through the second period, and Pittsburgh won its fourth Stanley Cup in franchise history by beating the San Jose Sharks 3-1 in Game 6 on Sunday night.