UFC light heavyweight champion Jon Jones has reportedly tested positive for substances again and will beped of hisle..UFC light heavyweight champion Jon Jones failed a drug test at UFC in July, UFC president Dana White confirmed to ESPN..Commentator Joe Rogan speaks with Jon Jones during the UFC weigh in. Sean M. Haffey Getty Images Jon Jones knocked out Daniel Cormier at UFC to .Jon Jones has tested positive for steroids in his UFC victory over Daniel Cormier TMZ Sports has learned. Our sources tell us Jones tested positive for .
Jonathan Dwight Jones born is an American mixed martial artist, who is a three time and current Light Heavyweight Champion of the .Official Jon Jones website. Ranked Pound for Pound Fighter in the World. Not John Jones. UFC Light Heavyweight Champion. What Loss? Next Fight is .