Mikko Rantanen missed training camp and the preseason, yet showed he hasn't missed a beat after a summer of uncertainty. Rantanen had two goals less than a week after agreeing to a contract with Colorado, Joonas Donskoi scored twice in his debut and the Avalanche beat the Calgary Flames 5-3 on Thursday night. read more https://www.espn.com/nhl/recap/_/gameId/401144488