Jaime Munguia insisted Thursday he has "always been a clean athlete" as it emerged the Mexican boxer tested positive for a banned substance after his victory over France's Bruno Surace on May 4."Several experts have explained that there…
Jack Draper shed light on the embarrassing side of tennis' rigorous anti-doping protocols, with the British No1 admitting that he believes it is a 'tough job' for the testers as well as the players.