Round 1: The two touch gloves and the main event is underway. Both are being careful early. McDonald misses with a right hand. Barao moves in and ducks under a McDonald right hand and secures a takedown. He works in McDonald’s guard. McDonald controls Barao’s wrists. He pushes Barao off and gets back to his feet. McDonald rushes forward and lands a left hand. He lands a counter right hand. McDonald moves forward and walks into a right hand. McDonald steps in with a jab. Barao looks for a takedown but McDonald stuffs it. Barao lands a left hook. McDonald lands a flurry. He knocks Barao down. Barao works for a takedown. He gets it and lands a right hand followed by a knee to the body. McDonald uses the fence to stand but Barao secures the takedown. Barao peppers McDonald’s body with short punches. The round ends. MMAWeekly scores the round 10-9 for McDonald.
Round 2: They touch gloves to start the round. They stand in front of each other in the center of the cage. McDonald waits and lands a left hand. Barao misses with a spinning back kick. McDonald lands a left hand. McDonald steps in with a right hand. Barao goes for a takedown and gets it. He immediately gets back to his feet. Barao misses with a combination. McDonald gets accidentally poked in the eye. He is given time to recover and the fight is restarted. McDonald moves in and they both land shots. Barao lands an outside leg kick. Barao delivers a front kick to the face. McDonald lands a counter right hand off of a Barao leg kick. Barao lands a counter left hand. Barao has a cut on his left eye. The round ends. MMAWeekly scores the round 10-9 for Barao.
Round 3: Barao moves forward. McDonald circles on the outside. Barao lands a combination. McDonald gets hit with a combination and Barao clinches. He works for a takedown. He muscles McDonald to the canvas and lands in side control. As he tried to mount, McDonald scrambles back to his feet. The pace slows a bit. They exchange right hands. Barao lands a right hand uppercut. McDonald leaps in and misses with a left hook. Barao lands a spinning back kick to the face of McDonald. Barao has found his range. The round ends. MMAWeekly scores the round 10-9 for Barao.
Round 4: Barao inching forward. McDonald lands a left hand. Barao answers with a left hook of his own. Barao looks for a takedown but McDonald throws him to the side. Barao lands a flying knee. McDonald is bleeding from the nose. They trade. Both land. Barao tries to secure a takedown, but McDonald defends it. Barao delivers a spinning back kick to the face of McDonald. McDonald’s chin holds up. Two minutes remain in the round. McDonald misses with a right hand and Barao ties him up. Barao gets the takedown and has McDonald’s back briefly. McDonald rolls and Barao applies an arm-triangle choke. It’s in deep. Barao squeezes tighter and McDonald is forced to tap out.
The official time of the submission was 3:57 of the fourth round. Barao retains his interim bantamweight title.