Brendan Gallagher is out for the Montreal Canadiens because of a concussion.
The forward was injured during the second period of a 3-1 loss to the Carolina Hurricanes on Tuesday when he fell backward after he was checked by Hurricanes forward Jordan Staal and struck in the head by Canadiens defenseman Ben Chiarot's knee.
The injury ends Gallagher's consecutive games streak at 229 games. He's second on the Canadiens with 32 points (15 goals, 17 assists) in 40 games.
There is no timetable for his return, but Montreal general manger Marc Bergevin said Friday that Gallagher could be back in the lineup on Thursday, when the Canadiens host the Edmonton Oilers at Bell Centre; that's the earliest he would be eligible to be activated from injured reserve.
"He's knows it's a concussion," Bergevin said. "He's sitting there, he's feeling better today. He could be sooner than later, but again, there is a protocol, and he's good the next four days, and the fifth he doesn't feel good, then it's starting over, so I don't know, but he could be back the first game, I don't have any time frame."
Canadiens forwards Jonathan Drouin (wrist) and Paul Byron (upper body) have each missed 22 games since Nov. 15. Forward Joel Armia (hand) has missed four.
NHL.com independent correspondent Sean Farrell contributed to this report