Round 1: Castillo lands first with an outside leg kick. He lands two more leg kicks. Brenneman changes levels and works to get the fight to the ground. He secures a trip and lands in side control. He delivers knees to the body. Brenneman staying heavy on top not allowing any space. He lands more knees to the body. Brenneman moves to the mount. He isolates an arm. Castillo escapes and takes Brenneman’s back. he lands knees to the thigh of Brenneman. Castillo works for a takedown. Brenneman reverses and they scramble to their feet and separate. Brenneman looks for takedown, but Castillo stuffs it. Castillo lands to the body with a right hand. Brenneman answers with a kick to the body. Brenneman drives forward and takes Castillo down. Brenneman takes Castillo’s back. Castillo stands. Brenneman slips down. Castillo works to take Brenneman’s back. He takes Brenneman down and looks for a choke. The round ends. MMAWeekly scores it 10-9 for Brenneman.
Round 2: Brenneman was warned for grabbing the fence between rounds. Brenneman lands a leg kick. Castillo lands a huge right hand that knocks Brenneman out. Boom!
The official time of the knockout was 0:21 of the second round.