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U.S. track star Tyson Gay returns Olympic medal amid retroactive one-year doping ban

U.S. sprint star Tyson Gay has received a one-year doping ban from the US Anti-Doping Association (USADA) and returned his 2012 London Olympics silver medal to the US Olympic Committee. USADA announced Friday that the 31-year-old American track star tested positive for a banned anabolic steroid in two random out-of-competition…

U.S. sprint star Tyson Gay out of world championships after failing drug test

Tyson Gay and Asafa Powell, two of the four fastest men in history, sent shockwaves through the blue riband 100m when both men failed drug tests. Gay, the 30-year-old American who was world champion in 2007 and the fastest man in the world this year, tested positive for a banned…