Chinese swimmer Sun Yang poses after a public hearing of the Court of Arbitration for Sport (CAS) for the appeal filed by the World Anti-Doping Agency (WADA) against him and the Federation Internationale de Natation (FINA), at the Conference Centre of the Fairmont Le Montreux Palace, in Montreux, Switzerland November 15, 2019. REUTERS/Denis Balibouse/File Photo
Questions will be asked if Sun Yang is cleared to compete at the Olympics and performs well in the Tokyo pool, given he is banned from training through official channels in China, Australia swimming chief Kieren Perkins said.
Three-times Olympic gold medallist Sun is seeking
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