Kallgren left Tuesday's game versus the Panthers in the second period after he was hit in the mask by a puck, Kevin McGran of The Toronto Star reports.
EDGE Analysis
The puck hit toward the lower end of the mask near Kallgren's neck, prompting the Maple Leafs to replace him with Jack Campbell. Kallgren allowed three goals on 23 shots prior to his exit. It's unclear if he'll return to Tuesday's game at this time -- if not, an update on his status could be available in head coach Sheldon Keefe's postgame comments.