It would have been one of the biggest light heavyweight matches in recent history. But in an eleventh-hour move, UFC President Dana White announced Thursday that the UFC 200 main event pitting light heavyweight champion Daniel Cormier versus interim champ Jon “Bones “Jones will be taken off the card, only three days before the scheduled event.

Bones gets busted again.

“The UFC organization was notified tonight that the U.S. Anti-Doping Agency (USADA) has informed Jon Jones of a potential Anti-Doping Policy violation stemming from an out-of-competition sample collection on June 16, 2016,” read a statement from UFC Vice President of Athlete Health and Performance Jeff Novitzky.

The statement added that since there isn’t sufficient time “for a full review” of Jones’ potential violation ahead of UFC 200, that left the UFC with no choice but to remove the match from the fight card.

This, of course, isn’t the first time Jones has been in trouble with the UFC for drug use. Prior to his match against Cormier at UFC 182, which he won, he had tested positive for cocaine metabolites. The exact substance he tested positive for was not banned by the World Anti-Doping Agency, which allowed the fight to go on as scheduled.

Faces a two-year suspension.

Jones, who has yet to be sanctioned by the UFC for drug use, could face a two-year suspension if the USADA rules against him. He was stripped of his light heavyweight championship in April 2015 for his conduct following a hit-and-run accident, and with the title vacant, Cormier beat Anthony Johnson to win the belt at UFC 187 in May 2015.

The Beast’s return to UFC promoted to main event status

With Jon Jones vs. Daniel Cormier officially scratched, that would promote the co-main event pitting heavyweight Mark Hunt against former champion and current WWE Superstar Brock Lesnar to the main event. Lesnar, who turns 39 next week, will be making a one-off appearance for UFC as he remains contracted to WWE, and should pique the interest of fans curious to see if he’s still got what it takes to dominate the world of mixed martial arts.

It won’t be easy, though, as Hunt, 42, has developed a reputation as a knockout artist, and is coming off a first-round knockout in March against another former heavyweight champ, Frank Mir, at UFC Fight Night: Hunt vs. Mir.

A big disappointment for everyone involved

Speaking to MMAJunkie, UFC boss Dana White expressed his disappointment in the news, not just because UFC 200’s powerhouse card lost its potential blockbuster main event, but also because of the missed opportunity for Cormier.

“When you have the biggest, baddest fight card ever assembled, it doesn’t sting as bad if you lose a fight – but it stings real bad for Daniel Cormier,” said White. “This is the way it should be. We have the best program in all of sports. This is the way it should be. … I kept going, ‘Everything is going so smooth,’ and nobody had been hurt. Everyone was healthy. So this was a pretty brutal phone call.”

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