Clayton Keller scored for the third straight game for the Coyotes (3-3-0), who had won two in a row. Connor Ingram was replaced midway through the first period after allowing three goals on nine shots. Karel Vejmelka made 16 saves in relief.
“I just think it was like a tale of two games, we were either really good or really bad,” Arizona defenseman Troy Stecher said. “You learn from your mistakes, and then you build off the positives, and I think we had both tonight.”
Jack McBain put the Coyotes up 1-0 at 2:59 of the first period, beating Matt Roy to a loose puck and putting in the rebound of Travis Boyd’s shot for his first goal of the season.
Kopitar tied it 1-1 on the power play at 8:13. He got his third goal of the season and second on the man-advantage with a one-timer from the left circle.
Fiala had the primary assist. It was his eighth assist during a five-game point streak (nine points).
Trevor Lewis put the Kings in front 2-1 at 10:35, scoring on a wrist shot from the left circle.
Trevor Moore made it 3-1 at 12:34, attacking the right post and putting in Phillip Danault’s cross-slot pass for his team-leading fifth goal while sending Ingram to the bench.
“I think we decided we’re gonna play a little faster because we weren’t real fast out of the game,” Los Angeles coach Todd McLellan said. “We were in the right spots, but we weren’t reacting real quick, and they were beating us to open ice, beating us to loose pucks and overwhelming us. But once things settled down, I thought we played more our game and at our pace than we did the first five minutes.”