Mikko Rantanen had a hat trick and an assist to help the Dallas Stars rally for a 4-2 win against the visiting Colorado Avalanche in Game 7 of their first-round series Saturday.Dallas advanced to the second round of the Stanley Cup playoffs and will face the winner of the Winnipeg Jets-St. Louis Blues series.Matt Duchene had two assists and Jake Oettinger made 25 saves for the Stars. Dallas coach Pete DeBoer improved to 9-0 for his career in Game 7s.Josh Manson and Nathan MacKinnon scored for the Avalanche. Mackenzie Blackwood made 15 saves.Down by two in the third period, Rantanen cut the deficit in half at 7:49. He cut to the middle just inside the blue line, holding the puck before wiring a wrister from the slot past Blackwood’s blocker.Rantanen tied it at 2 on the power play at 13:46. He collected the puck in the neutral zone, carried it up the middle, powering around Ryan Lindgren inside the zone and then looping around the net for a wraparound that went off the skate of Samuel Girard and into the net.
