Conor McGregor’s retirement tweet had caused a lot of stir in the MMA world.

Just a few hours after the UFC featherweight champion tweeted about his training in Iceland, he tweeted “I have decided to retire young. Thanks for the cheese. Catch ya’s later.”Fans and followers of the sport were baffled if the fighter was joking or not.  Even Nate Diaz joined in the fun by saying his work is done so he is retiring, too.

UFC president, Dana White has given a statement on ESPN that McGregor is not fighting Nate Diaz at UFC 200 come July 9 in Las Vegas. Regarding McGregor’s retirement tweet, if the Irishman is really retiring or not, White says it’s still unknown but the fight against Diaz is certainly off.

UFC promotions pulled the fighter out of the main event because of his inability to participate in the event’s promotional activities. White said that he has been able to communicate with McGregor’s camp since the decision but other than his expulsion from UFC 200, he cannot speak any more of the fighter’s future.

White said that McGregor is in Iceland for his training and he is unwilling to fly to Las Vegas to film the commercial and be part of the promotion of the fight. McGregor feels that flying out to Las Vegas will hurt his training but all the other fighters are coming so why couldn’t he?

White added that UFC still has a good relationship with McGregor but he is not exempted from his promotional obligations.

UFC has also announced on its website that they are working on the new main event for UFC 200, which happens at T-Mobile Arena in Las Vegas. Other fights on the event include Jose Aldo against Frankie Edgar for the interim featherweight title and Miesha Tate against Amanda Nunes for the women’s bantamweight title.