Serena Williams has re-entered the tennis anti-doping testing pool but the 23-times Grand Slam champion denied on Tuesday that the move had anything to do with her making a return to the sport she dominated for nearly two decades
Serena Williams has re-entered the tennis anti-doping testing pool but the 23-times Grand Slam champion denied on Tuesday that the move had anything to do with her making a return to the sport she dominated for nearly two decades