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

itoggle caption Christian Petersen/Getty Images