Jamaican sprinter Usain Bolt

PARIS, FRANCE - JUNE 09: (L-R) President of the International Tennis Federation Francesco Bitti Ricci, runner up David Ferrer of Spain, winner Rafael Nadal of Spain and Olympic champion Usain Bolt pose after the mens' singles final during day fifteen of the French Open at Roland Garros on June 9, 2013 in Paris, France.  (Photo by Julian Finney/Getty Images)

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The Jamaican sprinter and three-time Olympic gold medalist will be one of the biggest names to watch at the London Games.

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