New York Islanders defenseman Mike Reilly, 31, will undergo a heart procedure on Tuesday that will sideline him indefinitely, the team announced on Monday, and the veteran didn't know he had a condition until it was found during testing for a concussion.

New York Islanders defenseman Mike Reilly has been out of the lineup for a couple of weeks now, and unfortunately, he'll be out a lot longer for a very concerning reason. On Monday, Islanders general manager Lou Lamoriello announced that Reilly will undergo a procedure on Tuesday to address a preexisting,

Cory Wright of the New York Islanders issued several injury updates Monday afternoon including one unfortunate update for a member of the Islanders’ defense.