On February 28th 2020, the Court of Arbitration for Sport handed down a guilty verdict and eight-year ban to Chinese swimmer Sun Yang. This outcome was the result of nearly four months of hearings, deliberations, and tantrums in the Swiss town of Montreux, and formally designated Sun as a drug cheat. Two years on, the ripple-effect of this decision carves a problematic precedent when it comes to drug use in sport.