Basketball Player Demolishes Fan Who Attacked Teammate On Court [Video]

We've seen it time and again -- fans getting on the field of play are asking for a world of hurt.

The latest example?A fan rushed the court to shove a player during a game between teams from Montenegro and Turkey. The fan pushes Sammy Mejia before Mejia's teammate, Earl Rowland, comes flying out of nowhere to land a brutal punch on the fan.

Both players were tossed from the game. No word on what happened to the fan.