U.S. sprinter Tyson Gay

Associated Press
The United States' Tyson Gay removes his top during a USA track and field team open training session in preparation for the 2012 London Summer Olympics, in Birmingham, England, Wednesday, July 25, 2012. The opening ceremonies for the 2012 London Olympics will be held Friday, July 27.(AP Photo/Jon Super)

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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

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