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Here are five of the most talked-about 'unsportsmanlike' actions so far in the 2012 Olympics:

Playing for France, Trail Blazers forward Nicholas Batum punched an opponent in the crotch during the quarterfinal game against Spain Wednesday.

McKayla Maroney's response to receiving the silver medal in the vault competition (pictured, above). The scowl she showed during the medal ceremony has become an Internet meme called McKayla is not impressed.

South African swimmer Cameron van der Burgh won the men s 100m breaststroke in world-record time and later admitted to taking three dolphin kicks at the start. Only one such kick is allowed in the competition.

Eight female badminton doubles players were disqualified from the London Olympics after trying to lose matches to receive a more favorable place in the tournament.

The FIFA disciplinary committee is reviewing the punch to the face that left U.S. soccer forward Abby Wambach with a black eye during a game against Colombia in the Olympics.

Complete coverage: London 2012 Olympics

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