The U.S. Anti-Doping Agency (USADA) is the national anti-doping organization (NADO) in the United States for Olympic, Paralympic, Pan American, and Parapan American sport. The organization is charged with managing the anti-doping program, including in-competition and out-of competition testing, results management processes, drug reference resources, and athlete education for all United States Olympic Committee (USOC) recognized sport national governing bodies, their athletes, and events. Additionally, USADA contributes to the advancement of clean sport through scientific research and education & outreach initiatives focused on awareness and prevention..
and also.
VADA was started by Margaret Goodman, who is a partner with and endorsed by HBO, an entity that banned Haymon fighters from appearing on their network and is now is in direct competition with Al Haymon. This is the reason why Floyd never use VADA for testing.
https://www.wada-ama.org/en/who-we-a...nizations-nado
Follow-up statement by USADA last September 16
USADA responds to ‘inaccuracies’ in SB Nation story on Floyd Mayweather’s IV | Boxingjunkie