Shortly after winning this race, Tyson Gay acknowledged failing a drug test. He is believed to have used a cream provided by an anti-aging specialist whose clients include several NFL players, reports ProPublica. Fabrice Coffrini/AFP/Getty Images hide caption

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Ryan Braun of the Milwaukee Brewers has been suspended for the rest of the 2013 season after violating Major League Baseball's drug policy. Mike McGinnis/Getty Images hide caption

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Tyson Gay reacts after winning the Men's 200 Meter Dash final on day four of the 2013 USA Outdoor Track & Field Championships at Drake Stadium in June in Des Moines, Iowa. Christian Petersen/Getty Images hide caption

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