At 7:19 of the second period, Fraser was hit into the boards by Maple Leafs forward Frazer McLaren. Fraser needed help off the ice after McLaren finished a check on him in front of the Maple Leafs' bench.
Fraser did not return to the game. He has one assist in 17 games this season.
"He obviously got his bell rung," Kings coach Darryl Sutter said. "We don't really know much yet."
They said, 'You're going to love the city. It's smaller than Philadelphia, but you're going to love it. You're going to love the fans. Just watching the playoffs last year, the fans seemed louder there than they did anywhere. I'm really excited about that.
— Forward Scott Hartnell on his upcoming season with the Columbus Blue Jackets