1987
- During Game 4 of the Eastern Conference Finals between the Boston Celtics and Detroit Pistons at the Pontiac Silverdome, fans began throwing ice and beer cups onto the court after Larry Bird was ejected for responding to a hard foul by Bill Laimbeer by throwing at least two punches and the basketball at Laimbeer's head. Fans continued to throw debris at Bird as he walked back to the locker room.
Read more about this topic: List Of Violent Spectator Incidents In Sports