During their Round of 16 match in the Quidditch World Cup of 2014, a New Zealand Chaser, Dennis Moon, was sent off in the 106th minute after the Referee ruled that he had deliberately collided with Bogomil Levski, one of the Bulgarian National Team’s Chasers (Pm).
Lexicon list of Quidditch fouls
From the Web
Writing by J.K. Rowling on Pottermore: History of the Quidditch World Cup
Harry Potter Wiki: Blatching