The former two-division UFC champion said Thursday at a news conference in Moscow that he will return to the Octagon on Jan. 18 in Las Vegas.

McGregor said he knows his opponent but would not reveal his name, because if he did, the UFC would “flip” it.

RELATED: Khabib and McGregor Have Crazy Back and Forth After Dana White’s ‘Khabib’s the Man Now’ Comments

McGregor, UFC’s biggest star, promised a “fully focused” version of himself for the fight at T-Mobile Arena, which is in 12 weeks.

He said he has already started his preparation, including going to bed early every night and waking up early every morning.

Flip the Page to Read the Report: