Arman Tsarukyan has been forced out of the main event at UFC 311, with Brazil's Renato Moicano stepping in to challenge Islam Makhachev on one day's notice.

Israel Adesanya envisions plenty of grappling exchanges in the UFC 311 headliner. Islam Makhachev (26-1 MMA, 15-1 UFC) defends his lightweight title in a rematch against Arman Tsarukyan (22-3 MMA, 9-2 UFC) in Saturday's main event (pay-per-view,

As Jailton Almeida looks to reestablish himself as a future title contender at heavyweight, Serghei Spivac is a good matchup for UFC 311's new pay-per-view opener, but also a dangerous one like Barcelos is for Talbott.

What are the chances Renato Moicano actually pulls off one of MMA's greatest upsets amid the chaos of UFC 311?

On Friday, Dana White confirmed the Armenian’s devastating injury news and announced that he had been replaced by Renato Moicano, who was supposed to fight Beneil Dariush on the UFC 311 undercard. It didn’t take long for Moicano to take to social media with a message for his new UFC 311.

With the tumultuous morning weigh-ins now in the books, the UFC 311 ceremonial weigh-in ceremony and fighter faceoffs are set to go down tonight in Los Angeles.

Dana White confirms Arman Tsarukyan's withdrawal due to a back injury; Islam Makhachev now faces Renato Moicano at UFC 311.

Can Moicano defeat all odds and become champ? Check the UFC odds series for our Makhachev-Moicano prediction and pick.

Former UFC lightweight champion Khabib Nurmagomedov reacted to the news that Arman Tsarukyan withdrew from the match against current champion Islam Makhachev, set for January 19 at UFC 311 in Los Angeles.

UFC 311 is upon us. Here is a breakdown of viewing information, including the start time for all three legs of the PPV card.

Khabib Nurmagomedov has given his thoughts on Arman Tsarukyan being replaced by Renato Moicano to fight Islam Makhachev at UFC 311