This market will resolve to "Norma Dumont" if Norma Dumont is officially declared the winner of the fight against Ailin Perez at UFC Fight Night: Rosas Jr. vs. Barcelos, scheduled for September 26, 2026. It will resolve to "Ailin Perez" if Ailin Perez is officially declared the winner. If the fight is declared a draw or technical draw, ruled a No Contest, not scored, canceled, or postponed beyond October 10, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.