Headlining the event is a welterweight title rematch between Kamaru Usman and Colby Covington. Both fighters successfully met their division's limit, with the champion showing 169 pounds (76.6 kg) on the scales and the challenger at 169.4 pounds (76.8 kg).
Main card fighter weigh-in results:
Kamaru Usman (169 pounds) - Colby Covington (169.4)
Rose Namayunas (115) - Zhang Valley (115)
Frankie Edgar (135.6) - Marlon Vera (135)
Shane Burgos (145.6) - Billy Carantillo (145.4)
Michael Chandler (155.2) - Justin Gaggi (155.6)