That scrapped Jones ' much anticipated rematch against light heavyweight champion Daniel Cormier .
Tate vs. Nunes was promoted to main event status when United States Anti-Doping Agency flagged Jon Jones for a potential doping violation on Thursday .
That scrapped Jon Jones ' much anticipated rematch against light heavyweight champion Daniel Cormier .
Tate vs. Nunes was promoted to main event status when United States Anti-Doping Agency flagged Jon Jones for a potential doping violation on Thursday .