Round 1 - Referee Herb Dean in the cage for the evening's main event. Southpaw Mitrione opens with a jab. He looks light on his feet as he fires a straight and avoids the return. High kick blocked form Mitrione. Another to the chest, but Nelson comes back with heavy punches. Nelson shoots in for the body. He wraps Mitrione against the cage. Mitrione defends as Nelson looks for a trip. Mitrione spins off the cage and presses in with underhooks. He lands a short left as breaks away and resets. Nelson walking forward, and he eats a left. He answers with big right hands. Slugfest against the cage. Mitrione adding kicks to the equation. Halfway into the first. Nelson fires straight shots up the middle that connect to the temple and chin, and Mitrione is hurt and hits the floor. Nelson pounces with six massive follow-ups on the flor, and Dean steps in to call the fight. Roy Nelson def. Matt Mitrione via TKO (punches) - Round 1, 2:58.