Andrei Svechnikov scored two goals 70 seconds apart in the second period, The Carolina Hurricanes remained unbeaten with a 5-1 win over the Seattle Kraken on Monday night.
Andre Burakovsky scored 1:23 into overtime to give Colorado a 4-3 victory in Game 1 on Wednesday night and put the Avs up in a series that's shaping up to be a classic.
Vincent Trocheck buried a short-handed goal, Teuvo Teravainen had a rare power-play score for Carolina and the Hurricanes beat the New York Rangers 3-1, forces a game 6.
David Perron scored twice, Jordan Binnington made 30 saves and the St. Louis Blues beat the Colorado Avalanche 4-1 to tie their second-round series at a game apiece.
Sidney Crosby scored his 500th goal and Pittsburgh teammate Kris Letang capped a late rally to send the Penguins past the Philadelphia Flyers 5-4 in overtime.
Matt Dumba scored his first goal of the season midway through the third period, leading the Minnesota Wild to a 3-2 victory over Vancouver, spoiling the Canucks' home opener.
Jordan Staal scored on a power play at 5:57 of overtime to give the Carolina Hurricanes a 3-2 victory over the Tampa Bay Lightning on Thursday night in Game 3.