This market will resolve to "Patrick Rivera" if Patrick Rivera is officially declared the winner of the fight against Adam Darby at Dana White's Contender Series: Season 10, Week 4, scheduled for September 1, 2026. It will resolve to "Adam Darby" if Adam Darby 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 September 15, 2026, this market will resolve "50-50." The resolution source for this market will be official information from the UFC.