We expect fighting in hockey. We're learning to expect fighting in baseball. But tennis?:

According to the New York Daily News, a brawl broke out among spectators Thursday night in section 187 as Novak Djokovic and Philipp Petzschner played nearby. Both participants -- a woman and a man -- were reportedly taken away by police.

Meanwhile, on the court, Djokovic secured a victory

Read the full story at Huffington Post.

Fear not, here is video of the fight:



And for your Friday enjoyment, here's two more videos of the summer's best sports brawls: