Philadelphia Flyers goalie Carter Hart entered concussion protocol, coach John Tortorella confirmed Wednesday.
The team placed Hart on injured reserve Wednesday.
Hart was last on the ice for Friday's 6-5 loss to Carolina when he collided with Hurricanes forward Seth Jarvis in front of the net midway through the first period.
Tortorella said rookie Samuel Ersson will start Thursday at San Jose, but he expects Hart to be