Heavyweight boxer Joseph Parker is CLEARED of doping after proving positive drugs test was caused by exposure to his nutritionist taking cocaine

Former heavyweight champion Joseph Parker has been cleared of a doping violation after successfully proving that his positive drugs test was caused by exposure to his nutritionist, who had been taking cocaine. Parker demonstrated that the adverse analytical finding was not the result of his own drug use, but rather secondary contamination from his nutritionist. The ruling means Parker faces no sanctions and is free to continue competing.