LAS VEGAS – Many were puzzled to see Steve Erceg  get a title shot against UFC flyweight champion Alexandre Pantoja – but not Alex Perez . Although he might not agree with it, Perez (24-8 MMA, 6-4 UFC) understands very well why Erceg ended up getting a title fight over Muhammad Mokaev , who many, including Perez, thought was more deserving of the opportunity. “If you look at resumes, Mokaev has a tougher resume, I believe,” Perez said at Wednesday’s UFC on ESPN 55 media day. “He’s fought longer in the UFC, but he’s also fought Tim Elliot, who fought Demetrious (Johnson), and I fought (Alexandre) Pantoja and Deiveson (Figueiredo), and he beat me. “But in this sport, you’re just as good as your last performance.