Fraser was hit by the Flyers' Jay Rosehill during a third-period scrum that started after Fraser had been called for a minor penalty for high-sticking the Flyers' Zac Rinaldo. After serving the penalty, Fraser left the penalty box and did not return to the game.
The only spare defenseman the Maple Leafs have on their roster is rookie Morgan Rielly, the fifth pick of the 2012 NHL Draft who was a healthy scratch the first two games.
The Maple Leafs next play Saturday, when they play their home-opener against the Ottawa Senators (7 p.m. ET, CBC).
Obviously there's a lot of expectations around me but it's something I try not to focus on. I'm just trying to go out there, be myself on the ice every day, try to get better, be myself around the guys in the locker room. I think that's what's made me successful and the person that I am.
— Sabres forward Jack Eichel on transitioning from college hockey to the NHL