New York Rangers captain Ryan Callahan left Tuesday's 2-1 victory against the Flyers after suffering an apparent arm injury during a third-period fight with Philadelphia's Maxime Talbot.
There was no immediate medical update regarding Callahan after the game.
Rangers coach John Tortorella said he had "no idea" how long the injury would sideline Callahan.
Ryan Callahan exits with injury
ESPN.com | Jan 30