Pierre-Luc Dubois scored his third goal 18 minutes, 24 seconds into overtime, capping the Columbus Blue Jackets' comeback from three goaks down to beat the Toronto Maple Leafs 4-3 on Thursday and take a 2-1 lead in their best-of-five playoff qualifying series in Toronto.
Dubois got the winner on a rush after Alexandre Texier stripped the puck from Toronto captain John Tavares.
Columbus rallied from a 3-0 deficit midway through the second period, scoring twice in a 3½-minute stretch midway through the third to tie it.
Philadelphia 3, Washington 1: The line of Scott Laughton, Kevin Hayes and Travis Konecny sparked the Flyers in round-robin play. Philadelphia faces Tampa Bay on Saturday, with the winner earning top seed in the Eastern Conference.
Calgary 4, Winnipeg 0: Cam Talbot made 31 saves and the Flames defeated the Jets to win their best-of-five qualifying series in four games in Edmonton. Dillon Dube and Sam Bennett scored first-period goals, with Bennett's goal coming with a second remaining in the period. Sean Monahan and Rasmus Andersson added empty-netters.
Vegas 6, St. Louis 4: The Golden Knights took a big step toward clinching the top seed in the Western Conference by beating the Blues in round-robin play. Vegas would be the West's No. 1 seed with a victory over Colorado on Saturday.
• Anaheim signed restricted free-agent defenseman Jacob Larsson to a two-year, $2.4 million deal.