U.S. sprinter Tyson Gay

Associated Press
Jamaica's Usain Bolt, bottom, crosses the finish line to win the 100 meters before Jamaica's Yohan Blake, and Justin Gatlin, second from bottom and Tyson Gay from the U.S., top, during the athletics competition in the Olympic Stadium at the 2012 Summer Olympics, London, Sunday, Aug. 5, 2012. (AP Photo/David J. Phillip)

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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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