Marc Raimondi, ESPN Staff WriterFeb 25, 2024, 01:37 AM ETBrandon Royval was not the favorite Saturday night. Not in the betting odds, nor in the eyes of the fans in the building.Across the cage from him was Brandon Moreno, the first Mexican-born UFC champion who had yet to win a UFC fight in his home country. With those cards stacked against him, Royval rose to the occasion, coming back from an early deficit to beat Moreno via split decision (48-47, 46-49, 48-47) in the flyweight main event of UFC Mexico City.The fight was very close, and when the scorecards were read, the sold-out crowd…