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UFC president Dana White expects Conor McGregor to return to the octagon despite the Dubliner announcing his retirement from the sport.
Following McGregor's shock announcement on Twitter on Tuesday night, White ruled the Notorious out of UFC 200, claiming the fighter had refused to travel to Las Vegas to take part in promotional work at the weekend.
Explaining the reasoning behind his decision to pull McGregor from the fight, White told Fox Sports 1: "You can't not show up to promote your fight; you can't do it. I deal with 600 alpha males and females every day. They all have different personalities and there's all these different situations that need to be handled.
"You can't make everybody happy, but the one thing nobody is exempt from is promoting their fights. Muhammad Ali promoted his fights, Sugar Ray Leonard promoted his fights.
"Everybody promotes their fights. You have to do it."
It is unclear whether McGregor will fight again, but White believes he has retired from the sport.
"Conor was making a lot of money for this fight. Conor, for whatever reason, he freaked out about this. He's a reasonable guy, he's a smart guy, so this is weird," White stated.
"I do not (think he's retiring). I do (believe he'll fight again in the next year). Conor needs to clear up this whole retirement thing. If he's retired, at UFC 200 Jose Aldo and Frankie Edgar are fighting for the vacant title."