FILE - In this July 27, 2019, file photo, Deiveson Figueiredo, right, knees Alexandre Pantoja during a mixed martial arts bout at UFC 240 in Edmonton, Alberta. The UFC is hoping to stoke interest in its men's flyweight division with the main-event matchup of Brazilian champion Deiveson Figueiredo and American contender Alex Perez at UFC 255, Saturday night in Las Vegas. (Jason Franson/The Canadian Press via AP, File)