Novak Djokovic said a majority of players believe favouritism is at play in the tennis anti-doping system and called for it to be overhauled in the wake of cases involving Jannik Sinner and Iga Swiatek.
Read More Djokovic says players believe there is favouritism in anti-doping system
World Aquatics executive director has been subpoenaed to testify about how 23 Chinese swimmers avoided punishment after testing positive for banned drugs weeks ahead of the Tokyo Olympics.
Read More US investigating Chinese swimmers doping case
U.S. swimming great Michael Phelps told a congressional panel that anti-doping measures “have fallen short” in a case involving Chinese swimmers ahead of this summer’s Paris Olympics.
Read More US swim great Phelps tells Congress that Olympic anti-doping efforts fall short
USADA wants an independent prosecutor to review the case of 23 Chinese swimmers who tested positive before the Tokyo Olympics began.
Read More USADA calls for WADA overhaul amid Chinese swimming scandal