Brandon Tanev scored shorthanded in overtime to lift the Penguins past the Avalanche 3-2 in Pittsburgh.
Sidney Crosby scored his fourth goal of the season and added an assist, and Jake Guentzel scored his fifth as the Pens improved to 5-2-and-0 with their fourth straight win.
Matt Murray made 26 saves in the victory.
The Pens host the Dallas Stars tomorrow night.