Mark Stone scored three goals in the third period as the Vegas Golden Knights defeated the Calgary Flames 6-2 at T-Mobile Arena on Thursday.

Brett Howden opened the scoring for Vegas 25 seconds into the first period with a snap shot assisted by Mitch Marner. Jack Eichel doubled the lead at 9:34 of the opening frame, scoring unassisted on a shorthanded wrist shot. Jake Middleton put the Flames on the board at 10:15 of the second period with a shorthanded wrist shot for his first goal of the season, assisted by Joel Farabee and Martin Pospisil. Just 48 seconds later, Braeden Bowman answered on the power play with a snap shot set up by Ivan Barbashev and William Karlsson to restore a two-goal cushion for Vegas.

Stone took over in the third period to pull away. He scored his first goal of the night at 1:06 on a tip-in from Eichel and Barbashev. Stone struck again at 12:10 on a backhand shot assisted by Noah Hanifin and Barbashev, then capped his hat trick on the power play at 16:13 with a snap shot assisted by Eichel and Marner. Matt Coronato added a power-play goal for Calgary with a backhand shot at 18:40, assisted by Matvei Gridin and Morgan Frost.

Carter Hart earned the win in net for the Golden Knights, stopping 28 of 30 shots. Dustin Wolf took the loss for Calgary after turning away 27 of 33 shots. Vegas converted 2 of 5 opportunities on the power play and scored once shorthanded, while Calgary went 1 of 2 with the man advantage and also scored a shorthanded goal.

The victory extended the Golden Knights' winning streak to two games and pushed their regular-season record to 7-2-0. Calgary dropped to 1-6-0 following the loss. Eichel, Barbashev, and Stone each registered three points for Vegas.

The Golden Knights next play vs the Pittsburgh Penguins on Saturday. The Flames host the Carolina Hurricanes on Sunday.