guilty of refusing to cooperate with sample collectors during a visit to his home in September 2018 that turned confrontational.
WADA brought the case to the Court of Arbitration for Sport after world swimming governing body FINA had issued the now 29-year-old Yang with only a warning.At stake in a second CAS hearing would be Yang’s chance to compete at the pandemic-delayed 2020 Tokyo Olympics now set for July 2021.