Check out these photos highlighting Ailin Perez's career through the years. Yahoo Sports ...

Islam Makhachev (left) defended his title in a short notice fight against Renato Moicano (right) in the UFC 311 main event ... of the fight on the day of weigh-ins due to a back injury.

UFC Fight Night 250 ceremonial weigh-ins take place Friday, and you can catch a live video stream of the proceedings here on ...

Official weigh-ins for UFC Fight Night 250 took place Friday, and you can get all the results here. The weigh-ins took place ...

UFC 312 ceremonial fighter weigh-ins take place Friday, and you can catch a live video stream of the proceedings here on MMA ...

UFC Fight Night 250 ceremonial weigh-ins took place Friday, and the fighters came face-to-face one final time before Saturday's event. The weigh-ins took place at ANB Arena in Riyadh, Saudi Arabia, ...

Check out these photos of the UFC Fight Night 250 official weigh-ins and faceoffs at ANB Arena in Riyadh, Saudi Arabia. (Photos via UFC) Yahoo Sports ...

Check out these photos of the UFC Fight Night 250 official weigh-ins and faceoffs at ANB Arena in Riyadh, Saudi Arabia.

UFC Fight Night 250 ceremonial weigh-ins take place Friday, and you can catch a live video stream of the proceedings here on MMA Junkie at 9 a.m. ET (6 a.m. PT). The weigh-ins take place at ANB ...

Official weigh-ins for UFC Fight Night 250 took place Friday, and you can get all the results here. The weigh-ins took place at the UFC host hotel in Riyadh, Saudi Arabia. The nearby ANB Arena ...

Raoni Barcelos, his opponent Payton Talbott, and Tagir Ulanbekov all also gained back 17%, and UFC 311 actually featured one fighter that lost weight between weigh-ins and fight night with Jailton ...