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Tyson Gay tests positive for banned substance

ESPN staff
July 14, 2013 « Live County Championship coverage | Chartbeat test »
Tyson Gay clocked the fastest 100m time of the year in June with 9.75 seconds at the US World Championships trials © Getty Images

Former 100m world champion Tyson Gay has withdrawn from August's World Championships after testing positive for a banned substance.

The American, who won 100m and 200m gold at the 2007 World Championships in Osaka, found out from the US Anti-Doping Agency (USADA) on Friday that his 'A' sample from an out-of-competition test on May 16 had come back positive.

The 30-year-old's 'B' sample is yet to be tested, but Gay confirmed he will miss Friday's Diamond League meeting in Monaco as well as the World Championships in Moscow.

"I don't have a sabotage story. I basically put my trust in someone and was let down," said Gay. "I made a mistake. I am pulling out of Monaco [Friday's Diamond League meeting] and the World Championships."

Gay won both the 100m and 200m at the US World Championship trials in June, clocking the fastest time of the year in both events.

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