The main event was all set to see Armenia's Arman Tsarukyan challenge Islam Makhachev ... and Brazilian lightweight contender Renato Moicano was stepping in to replace him on a day's notice.

The UFC started 2025 dealing with a massive crisis as Islam Makhachev lost his opponent at UFC 311 just days before the event.

Arman Tsarukyan's UFC 311 blunder is costing him the big fights. Islam Makhachev's record fourth lightweight title defense came against short-notice replacement Renato Moicano at UFC 311.

Arman Tsarukyan’s dream of claiming the UFC lightweight championship at UFC 311 dissolved overnight when a back injury forced ...

Paddy Pimblett went off on Arman Tsarukyan for missing out on a UFC lightweight title opportunity when he earned the shot.

Arman Tsarukyan has to go back to the drawing ... Makhachev went on to fight Renato Moicano in the UFC 311 main event. Tsarukyan could face another top contender, such as the Pimblett/Chandler ...

Arman Tsarukyan’s last-minute withdrawal from his scheduled bout against Islam Makhachev due to a back injury left the door wide open for Renato Moicano to step in—a decision that ended ...

Makhachev ended up facing Renato Moicano instead and submitted him in Round 1. "The only person in the top 10 I can think of who's under 35 is Arman Tsarukyan," Pimblett said on the "Full Send ...

Khabib Nurmagomedov explains why he believes Arman Tsarukyan poses a bigger challenge to UFC champ Islam Makhachev than Ilia ...

Paddy Pimblett ignited a feud with Arman Tsarukyan by questioning his withdrawal ... The last-minute replacement was Renato Moicano, who lost to Makhachev via submission in the first round.