Conor McGregor shocked the world last night when he tweeted out that he was retiring immediately from the UFC and Mixed Martial Arts in general.
The Irish fighter is the biggest star in the sport, and that's by a long way, and his tweet - which honestly seems apropos of nothing - sent shockwaves throughout the MMA community and social media as a whole.
'The Notorious' was set to fight Nate Diaz in the main event of UFC 200, a rematch of their encounter at UFC 196 where Diaz handed McGregor his first loss in the UFC. However, it has now been confirmed that McGregor has been pulled from the event.
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According to a statement from the UFC's website, Dana White has confirmed that McGregor will now no longer be taking part in the show.
"UFC President Dana White announced Tuesday that UFC featherweight champion Conor McGregor has been pulled from his UFC 200 main event against Nate Diaz on July 9," the statement said.
The UFC would have been hoping that the event would break all previous box office records, with McGregor's revenge match against Diaz being capable of edging out the records set by Brock Lesnar vs Frank Mir all the way back at UFC 100.
The statement may have also revealed the reason why McGregor decided to retire, stating that the 27-year-old refused to engage in any of the customary pre-fight media appearances and press conferences.
"White revealed that the decision was made by the promotion after McGregor informed UFC officials that he would not participate in any promotional activities, including a commercial shoot and press conferences," the statement added.
With McGregor now out of the picture, it remains to be seen whether a new main event will still include Nate Diaz, or if they will come up with a new one entirely.
"The UFC is currently working on a new main event for the card, which will take place at T-Mobile Arena in Las Vegas," it continued. "Other bouts currently set for the event include two title fights, with Jose Aldo and Frankie Edgar battling for the interim featherweight title, and Miesha Tate defending her UFC women's bantamweight crown against Amanda Nunes."
If this really is the end of Conor McGregor's career in UFC then it is an incredibly trivial way for him to bow out.