- After failing to recapture 145-pound gold, Aldo decided to drop down to 135 pounds. He made his debut at his new weight class last December and lost via decision. Nonetheless, Aldo was tapped to fight for the vacant title in July against Petr Yan. He lost via fifth-round TKO, capping a two-fight skid.
- Vera, on the other hand, dealt rising star Sean O’Malley his first UFC loss at UFC 252 in August. He is currently on a 6-1 run.
- UFC 255 takes place at the UFC APEX facility in Las Vegas. Headlining the event is a flyweight title fight between champion Deiveson Figueiredo and Alex Perez.