Round 1: They touch gloves. Castro takes the center of the cage. He presses forward with a combination and works to get the fight to the ground. He slips around and takes Arantes’ back. Arantes reverses the position and gains top control. He lands a short left hand followed by a right elbow. Castro delivers an elbow from the bottom. Arantes lands a hard left hand. Castro works for a kimura and uses it to reverse. He has the full mount. Arantes reverses and ends in Castrol’s guard. Arantes lands a onslaught of punches and elbows. Castro is hurt. More elbows land and Castro is out. Arantes wins.
The official time of the technical knockout was 3:32 of the first round.