 EDMONTON, Alberta AP - The top line for the Dallas Stars finally came to life, stepping up after a quick turnaround for an impressive start in round two of the Western Conference playoffs. Stars captain Jamie Benn, Alexander Radulov and Tyler Seguin set the tone early, and piled on after that, in a 5-3 victory over the Colorado Avalanche on Saturday night. They definitely led the way for us tonight. I felt like the rest of the group followed, said Blake Comeau, who had the goal that put Dallas ahead to stay. Great game for them ... thats what we expect. Seguin opened the scoring with his first goal of this postseason, taking Benns pass from behind the net only four minutes into the game. Two nights after the top trio had no points when the Stars scored seven goals in the finale of their opening series against Calgary, Radulov had two goals and an assist, Benn had three assists and Seguin added a helper to his opening goal. When that line scores an early goal like that, thats huge. And then youve just got to let them go, Stars interim head coach Rick Bowness said. Were not going anywhere without our top players. Game 2 of the best-of-seven series is Monday night. Hart Trophy finalist Nathan MacKinnon had two goals and an assist for the Avalanche, who lost top goalie Philipp Grubauer to an injury early in the second period. Obviously, hes in a position there where he tweaked something and hes unable to continue, Avs coach Jared Bednar said. So thats already bad news. Time will tell how long hes going to be out. I have no idea at this point. ... Its going to be Francouzs net here. Grubauer went face down on the ice after pushing away a shot with his right skate in the second period. He was replaced by... 