Former title challenger Chael Sonnen weighs in on the UFC's split with USADA

Former middleweight and light heavyweight title challenger Chael Sonnen is weighing in on the UFC's split with USADA.

Related Keywords

United States , Elon Musk , Chael Sonnen , Travis Tygart , Mark Zuckerberg , Youtube , Drug Free Sport International , United States Anti Doping Agency , Free Sport International ,