Round 1 - Referee Keith Peterson calls the first of the evening's main-card bouts. Marunde paws with jabs. Souza closes with a straight right and Marunde circles and resets. Souza throws a leg kick and then lands a punch and knee in the clinch before they break off. Souza working to close the distance but meeting too much resistance. Marunde jab and Souza counters with a right. Neither man doing much in the way of damage. Souza grabs a clinch and gets a takedown, where he quickly gets to Marunde's back. Marunde working to buck him off, but Souza adjusts and rides the position. The submission ace sneaks in a few punches underneath Marunde's arms. Not much doing for Marunde, who doesn't have anywhere to go. Suddenly, Peterson stops the action and warns Souza for a punch of the pack of the head. Upon reset, Marunde takes a big punch and drops. Souza grabs a guillotine but can't finish, and Marunde gets back to his feet briefly with Souza at his back. Undeterred, Souza drags him back to the mat and takes the back. Marunde stands against the cage. Marunde spins and the two jockey for position with 10 seconds left. Round ends with Marunde kneeing the legs. MMAjunkie.com scores the round 10-8 for Souza.
Round 2 - They touch gloves, and Marunde paws a jab. Bolo misses for him. He punches in and backs Souza up, but nothing lands. Marunde lands a glancing punch. Souza tags him with a couple of big punches and staggers him, then follows with a perfect spinning back kick before smothering Marunde against the cage. He takes the back after depositing Marunde on the mat, but Marunde quickly pops up. Marunde punches in and gets nothing. Souza with a nice counter right hook as Marunde advances. Action slowing. Souza initiates a clinch and throws a knee but breaks off. Souza with that right hook again. Souza with a nice body shot and a couple of nice front kicks to the body. He ties up, but Marunde breaks away. Souza eats a leg kick in return for a few jabs. Marunde walks right into a right hand. Souza misses with a flying front kick. But he lands that right hand again, and it's clear he's in charge on the feet as well as the canvas. Marunde with a limp leg kick. Souza catches Marunde overcommitting and gets a double leg. The Brazilian sits back for a leg as the round comes to an end. MMAjunkie.com scores the round 10-9 for Souza, putting him up 20-17 after round two.
Round 3 - Marunde punches in and Souza easily takes him down at the start of the final frame. In half-guard, Souza working short right hands. Marunde trying to sit up. Souza working to advance position against the cage, but he's content to soften Marunde with right hands. Marunde attempts to roll out of danger, but he ain't going anywhere. Marunde finally manages to sit up, and Souza gets to his back. Souza trips him backwards to the mat and again takes the back with one hook in. A turtled Marunde won't let him get the other one in. However, when Marunde attempts to roll, Souza transitions to an arm triangle and gets a quick tapout. Dominant performance from the former champ.Ronaldo Souza def. Bristol Marunde via submission (arm-triangle choke) - Round 3, 2:43