The inquiry comes after a report that Dr. Neal ElAttrache, the physician for the team, supported the U.F.C. star Conor McGregor in using performance-enhancing drugs while recovering from an injury.
McGregor, the Ultimate Fighting Championship’s main attraction, had the support of the prominent sports physician Neal ElAttrache when he decided to use performance-enhancing drugs.
The night began with frustration and boos, and not because of the Knicks. But by the end of Game 3 of the N.B.A. finals, the team had slightly deflated some spirits, too.