Paul Stastny scored twice on the power play, Max Pacioretty added a power-play goal and the Vegas Golden Knights beat the Los Angeles Kings 5-2 on Sunday night.

Reilly Smith and Mark Stone also scored, and Marc-Andre Fleury made 36 saves as the Golden Knights swept their first set of back-to-back games.

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Los Angeles Kings center Alex Iafallo, center, shoots against Vegas Golden Knights goalie Marc-Andre Fleury as defenseman Shea Theodore (27) pursues during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Paul Stastny scored twice on the power play, Max Pacioretty added a power-play goal and the Vegas Golden Knights beat the Los Angeles Kings 5-2 on Sunday night.

Vegas Golden Knights defenseman Jon Merrill attempts to clear the puck as Los Angeles Kings left wing Kyle Clifford (13) applies pressure during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Jonathan Quick allowed five goals on 36 shots for the Kings. Quick has allowed 19 goals on 92 shots in his three appearances this season. He has allowed at least five goals in five of his last seven starts.

Los Angeles Kings center Blake Lizotte shoots as Vegas Golden Knights defenseman Nick Holden (22) defends during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas went in front 1-0 at 5:42 of the first period on Smith's fourth goal of the season. Smith scored on a wrist shot from the left circle, with William Karlsson providing his sixth assist through five games.

Los Angeles Kings right wing Adrian Kempe, of Sweden, right, checks Vegas Golden Knights right wing Ryan Reaves (75) during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

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Los Angeles Kings goalie Jonathan Quick defends the net against the Vegas Golden Knights during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings goalie Jonathan Quick defends the net against the Vegas Golden Knights during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas Golden Knights left wing William Carrier, left, and Los Angeles Kings left wing Austin Wagner chase the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas Golden Knights left wing William Carrier, left, and Los Angeles Kings left wing Austin Wagner chase the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings left wing Ilya Kovalchuk (17) and Vegas Golden Knights center William Karlsson battle for the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings left wing Ilya Kovalchuk (17) and Vegas Golden Knights center William Karlsson battle for the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas was 3 for 3 on the power play after starting the season 3 for 17 with the man-advantage.

Los Angeles Kings center Alex Iafallo, center, shoots against Vegas Golden Knights goalie Marc-Andre Fleury as defenseman Shea Theodore (27) pursues during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings center Alex Iafallo, center, shoots against Vegas Golden Knights goalie Marc-Andre Fleury as defenseman Shea Theodore (27) pursues during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Jonathan Quick allowed five goals on 36 shots for the Kings. Quick has allowed 19 goals on 92 shots in his three appearances this season. He has allowed at least five goals in five of his last seven starts.

Stastny redirected Pacioretty's pass between Quick's legs to put the Golden Knights up 3-1 at 14:51 of the second period. He made it 4-1 with a one-timer on a feed from Jonathan Marchessault 2:09 later. It was Stastny's second career game with two power-play goals, and he finished with four points.

Dustin Brown pulled the Kings within 4-2 at 4:24 of the third period, but Stone pushed the lead back to three goals by scoring 17 seconds later.

Vegas Golden Knights defenseman Jon Merrill attempts to clear the puck as Los Angeles Kings left wing Kyle Clifford (13) applies pressure during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas Golden Knights defenseman Jon Merrill attempts to clear the puck as Los Angeles Kings left wing Kyle Clifford (13) applies pressure during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas went in front 1-0 at 5:42 of the first period on Smith's fourth goal of the season. Smith scored on a wrist shot from the left circle, with William Karlsson providing his sixth assist through five games.

Pacioretty scored on the power play at 6:59 to make it 2-0, scoring from the right dot after being given too much space by the Kings. But Los Angeles cut the deficit to 2-1 on Austin Wagner's first goal of the season 50 seconds later.

NOTES: Fleury played in his 804th game, passing Harry Lumley and moving into 15th place in career appearances by an NHL goalie. ... Vegas coach Gerard Gallant won his 250th NHL game. ... Golden Knights D Shea Theodore had two assists.

Los Angeles Kings center Blake Lizotte shoots as Vegas Golden Knights defenseman Nick Holden (22) defends during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings center Blake Lizotte shoots as Vegas Golden Knights defenseman Nick Holden (22) defends during the second period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

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Golden Knights: Host the Nashville Predators on Tuesday to open a two-game homestand.

Kings: Host the Carolina Hurricanes on Tuesday in the third game of a five-game homestand.

More AP NHL: https://apnews.com/NHL and https://twitter.com/AP_Sports

Los Angeles Kings right wing Adrian Kempe, of Sweden, right, checks Vegas Golden Knights right wing Ryan Reaves (75) during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings right wing Adrian Kempe, of Sweden, right, checks Vegas Golden Knights right wing Ryan Reaves (75) during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings goalie Jonathan Quick defends the net against the Vegas Golden Knights during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings goalie Jonathan Quick defends the net against the Vegas Golden Knights during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas Golden Knights left wing William Carrier, left, and Los Angeles Kings left wing Austin Wagner chase the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Vegas Golden Knights left wing William Carrier, left, and Los Angeles Kings left wing Austin Wagner chase the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings left wing Ilya Kovalchuk (17) and Vegas Golden Knights center William Karlsson battle for the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)

Los Angeles Kings left wing Ilya Kovalchuk (17) and Vegas Golden Knights center William Karlsson battle for the puck during the first period of an NHL hockey game, Sunday, Oct. 13, 2019, in Los Angeles. (AP PhotoMichael Owen Baker)