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."
It's a date that's been circled on my calendar, so it's kind of nice to have it here and get it over with (Thursday). This is a little bit of the closing of the book on the move. That's kind of how I'm looking at it.
— Stars forward Jason Spezza on returning to Ottawa for the first time to face the Senators