Head Game is the 5th episode of Season 4 on NBC series Frasier.
Synopsis
THE LUCK OF THE CRANES – With Frasier attending a convention of radio psychiatrists in Aspen, Niles fills in for him at the radio station. While Niles is there, Bulldog introduces him to a star player for the Seattle SuperSonics basketball team, Reggie Maclemore (guest star Lorenzo Newton), who's suffering through a slump. Niles surprisingly helps put the bounce back in Reggie's dribble.