SALT LAKE CTIY (AP) Artturi Lehkonen scored three goals, Mackenzie Blackwood stopped 34 shots and the Colorado Avalanche beat the Utah Hockey Club 4-1.Mikko Rantanen also scored and Nathan MacKinnon had three assists for Colorado, which has won four straight.Blackwood has four wins in five starts since being acquired from San Jose on December 9th. He signed a five-year, $26.5 million contract extension with the Avalanche earlier Friday.Nick Schmaltz scored for Utah, which has lost eight of its last nine at home. Karel Vejmelka finished with 33 saves.