TAMPA, Fla. — Steven Stamkos had two goals and two assists as the NHL-leading Tampa Bay Lightning won their sixth consecutive game, beating the Colorado Avalanche 7-1 on Saturday night. Stamkos scored twice in the first period and had two second-period assists. It was his franchise-best 13th four-point game. Tampa Bay also got two goals from Ondrej Palat, and Louis Domingue made 29 saves.