(Photo credit: Perry Nelson-Imagn Images)

Nazem Kadri scored for visiting Calgary to end an eight-round shootout and complete the Flames' 4-3 comeback victory over the Edmonton Oilers in the season opener for both teams on Wednesday night.

Matvei Gridin scored in his first NHL game, Connor Zary and Blake Coleman also tallied and Dustin Wolf made 32 saves for the Flames, who trailed 3-0 midway through the second period.

Leon Draisaitl scored his 400th NHL goal and added an assist for the Oilers.

Ryan Nugent-Hopkins had a goal and two assists, Andrew Mangiapane also scored, Connor McDavid had two assists and Stuart Skinner made 19 saves for Edmonton, which lost its third straight season opener. Draisaitl finished with two points.

Maple Leafs 5, Canadiens 2

Morgan Rielly scored the go-ahead goal in the third period and Toronto defeated the visiting Montreal in the season opener for both teams.

Bobby McMann, Calle Jarnkrok, Auston Matthews (empty net) and William Nylander (empty net) also scored for the Maple Leafs. Nylander, Steven Lorentz and John Tavares each had two assists, and Rielly added an assist. Toronto goalie Anthony Stolarz stopped 29 shots.

Oliver Kapanen and Zack Bolduc scored while Sam Montembeault made 22 saves for the Canadiens.

Kings 6, Golden Knights 5 (SO)

Trevor Moore scored a short-handed goal and also tallied in a shootout as Los Angeles earned a wild victory over Vegas in Las Vegas.

Moore beat Adin Hill with a wrist shot on the blocker side after Adrian Kempe scored in the first round of the shootout for Los Angeles. Pavel Dorofeyev, who tallied a hat trick for Vegas, scored in the second round for Vegas, and Anton Forsberg later made a glove save on Mitch Marner to seal the win and snap the Golden Knights' six-game win streak in season openers.

Jeff Malott scored his first career NHL goal, Andrei Kuzmenko and Quinton Byfield each had a goal and an assist and Brandt Clarke also scored a goal for Los Angeles.

Bruins 3, Capitals 1

David Pastrnak had a goal and two assists to lead visiting Boston to a win over Washington in Marco Sturm's head coaching debut.

Pastrnak, who is bidding for his fourth straight 100-point season, opened the scoring in the second period before dishing a beautiful pass into the slot to Elias Lindholm for a game-winner on the power play at 7:41 of the third. Morgan Geekie added an empty-net insurance marker with 57.1 seconds left in regulation and Jeremy Swayman made 35 saves for Boston.

Washington's Tom Wilson scored and Logan Thompson stopped 18 shots.

--Field Level Media