Uruguay and Ajax striker Luis Suárez had already made himself a bit of a hate figure after his last minute handball prevented Ghana from making it to the semi-finals of the World Cup. Other more level headed people realised that the opportunity came from a free kick earned through a blatant dive, what he did was an instinctive reaction and that Ghana should have scored the penalty anyway. However Suarez's constant diving in the World Cup was unjustifiable.
On 20 November 2010 in a game against PSV he really cemented his place as one of 2010's football villains by biting opposition player Otman Bakkal on the neck.
For more crazy South American football check out the rest of the Cosas locas series.