Luis Suarez bite: Mike Tyson and other athletes who have sunk their teeth into opponents
Suarez appears to have bitten Italy defender Giorgio Chiellini during a World Cup match on Tuesday
After reigning champions Spain failed to qualify past the group stages, and Ghana were accused of match fixing, it seemed like the 2014 Fifa World Cup couldn't possibly get much weirder - then Luis Suarez appeared to bite Italy defender Giorgio Chiellini.
During a match against Italy, it looked as if the Uruguayan player head-butted Chiellini.
But he has since been accused of biting after the Italian pulled down his shirt to show deep teeth marks.
If a Fifa investigation proves the bite happened, it will be the third time that Suarez has attacked a fellow player in this way. Last year, he got a taste of Chelsea defender Branislav Ivanovic’s arm.
In November 2010, during a clash between Ajax and PSV Eindhoven players, Suarez bit Feyenoord midfielder Otman Bakkal on the neck.
Giorgio Chiellini shows his shoulder in which he accused Luis Suarez of biting him
Read more: Vine: Did Suarez bite Chiellini? Decide for yourselves...
Suarez's most controversial moments
But he is not the first player to sink his teeth into another opponent. Above is our run down of athletes pictured looking completely harmless – followed by a shot of them appearing to take a bite into their opponents when tournaments get heated.
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