Travis Tygart, the influential U.S. Anti-Doping Agency chief executive, has warned that it would be “naive” not to think that hosts Russia could violate anti-doping rules again during the World Cup.
Travis Tygart, the influential U.S. Anti-Doping Agency chief executive, has warned that it would be “naive” not to think that hosts Russia could violate anti-doping rules again during the World Cup.