The main event will pit Kamaru Usman up against Joaquin Buckley in a battle between two fighters trying to get closer to a title shot.

Usman took a unanimous decision win over Buckley on the strength of his wrestling base in the upset.

Although it wasn't the biggest highlight of the night, the definitive win went to headliner and former champion Kamaru Usman (21-4 MMA, 16-3 UFC), who got his first victory in nearly four years with a...