Chinese swimming star Sun Yang, facing a ban of up to eight years for missing an out-of-competition test, told an appeals court Friday that dope testers were at fault for failing to identify themselves correctly. Attending a one-day public hearing of the Court for Arbitration of Sport, Sun, accused of using a hammer to smash a vial containing his own blood sample, blamed testers for being unprofessional and ignoring protocol.
Sun, who is the winner of 11 world titles, was cleared of missing the unannounced test by FINA, the international swimming federation, in January.
However, the World Anti-Doping Agency appealed the FINA ruling to CAS and is seeking a ban of between two and eight years for Sun, who served a three-month doping suspension in 2014 for testing positive for the stimulant trimetazidine.
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