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Ailín Pérez Defeats Macy Chiasson at UFC Mexico City as Referee’s Stand-Up Draws Backlash

Tracy Cortez answered Pérez’s callout, sharpening questions about a cross-division matchup.

Overview

  • Ailín Pérez earned a unanimous decision over Macy Chiasson with three 29-28 scorecards, extending her bantamweight winning streak to six.
  • Pérez leaned on wrestling and top control, logging multiple takedowns that controlled long stretches of the bout.
  • Referee Raúl Porrata drew criticism for a second-round stand-up and repeated prompts on the ground, with fans calling for his removal.
  • Daniel Cormier labeled the officiating “terrible” on Threads, amplifying scrutiny of how referees are assigned at UFC events.
  • After calling Tracy Cortez a coward in her post-fight remarks, Pérez received an expletive-laced reply from the flyweight, who noted their #7 bantamweight vs. #8 flyweight standings and signaled interest despite the division gap.