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Athletics - Men's 4 x 100m Relay Final

2016 Rio Olympics - Athletics - Final - Men's 4 x 100m Relay Final - Olympic Stadium - Rio de Janeiro, Brazil - 19/08/2016. Mike Rodgers (USA) Justin Gatlin (USA) and Tyson Gay (USA) of USA react as they realise they have been disqualified REUTERS/David Gray

U.S. sprinter Tyson Gay

After a lackluster performance at the 2008 Beijing Olympics, American sprinter Tyson Gay will be looking for redemption on the track at the London Games. -- By Armando Botello II