Buffalo Sabres coach Lindy Ruff was clutching his right arm in pain and had to be helped off the ice after being upended by defenseman Jordan Leopold in practice Tuesday.
The Sabres had no update on Ruff's status, except to say the coach was not available to address reporters as he usually does after practice.
A person familiar with what happened told The Associated Press that Ruff was escorted outside of the arena by a team trainer. The person spoke on the condition of anonymity because the person is not authorized to comment on team matters.
According to witnesses, Ruff was looking the other way when Leopold lost his footing and crashed into the back of the coach's skates. Ruff fell backward, landing on his right arm.