Russian rider tests positive for black-market drug
AIGLE, Switzerland -- Russian track cyclist Valery Kaykov has been suspended after testing positive for a black-market drug that the World Anti-Doping Agency issued a health warning about last month.
The International Cycling Union says Kaykov, a European Championships silver medalist last year, tested positive in an out-of-competition sample for the substance WADA called "GW501516."
The UCI says his sample was given on March 17, four days before WADA urged athletes not to use the ...
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