Bribes paid by runner Liliya Shobukhova are at the center of an ethics inquiry, according to the IAAF, track and field's governing body. Ben Stansall/AFP/Getty Images hide caption

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Russia's Mariya Savinova won gold in the 800-meter final at the 2012 Olympics in London. A new report ruled that she should never should have competed because her drug test profile showed she was doping. Matt Dunham/AP hide caption

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Doping Scandal Jeopardizes Olympic Dreams Of Russian Athletes

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Participants play the latest video games at the gamescom computer game fair in Cologne, Germany, on Wednesday. The Electronic Sports League, which sponsors a tournament in the city later this month, says it will require random drug tests to ensure players are clean. Martin Meissner/AP hide caption

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Competitors race at the IAAF World Athletics Championship held in Osaka in 2007. Athletes' samples that were kept from the event have now been retested, resulting in suspensions, the IAAF says. Kai Pfaffenbach/Reuters /Landov hide caption

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Germany's Evi Sachenbacher-Stehle has left her country's Olympic contingent — and Sochi — after testing positive for a banned stimulant. She's seen here in the biathlon earlier this week; Sachenbacher-Stehle finished fourth. Odd Andersen/AFP/Getty Images hide caption

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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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Alex Rodriguez of the New York Yankees, playing for the Yankees' minor league affiliate Charleston RiverDogs, runs to first base during a game in July 2013. Streeter Lecka/Getty Images hide caption

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The incoming president of the International Cycling Union, Brian Cookson (right), shakes hands earlier this month with Pat McQuaid, the incumbent he defeated. Fabrice Coffrini/AFP/Getty Images hide caption

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American cyclist Chris Horner celebrates winning Spain's Vuelta bicycle race Sunday. Anti-doping officials say that Horner, who at 41 is the oldest ever to win one of cycling's top events, was not at the hotel drug testers visited. Jaime Reina/AFP/Getty Images hide caption

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There were no positive doping tests during the 2013 Tour de France, officials say. Here, Chris Froome, the overall winner, steps into the anti-doping control bus after a stage in the race. Pascal Guyot /AFP/Getty Images hide caption

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Despite already being in the Hall of Fame, New York Yankees legend Mickey Mantle was banned from baseball in 1983, for his work for a casino. He was reinstated in 1985. MLB suspended Yankees third baseman Alex Rodriguez for 211 regular season games Monday. AP hide caption

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