Christian Leroy Duncan left Las Vegas with a $50,000 bonus after flatlining Marco Tulio on Saturday night.Duncan, 30, entered the UFC Vegas 111 card fresh off a wild spinning back elbow that led to a knockout of Eryk Anders in his last fight three months ago.Duncan made it back-to-back stoppage wins at UFC Vegas 111 on SaturdayGetty‘CLD’ is now 13-2 in professional MMA and 6-2 in the UFCGettyAnd not many MMA fans could’ve imagined the Englishman topping that performance in such emphatic fashion.However, midway through the second round of his fight with Tulio, Duncan had his Brazilian opponent on red alert with a near-perfect spinning back fist.Tulio, who hadn’t lost since 2018 before this weekend, was stunned and began backtracking to the cage.‘CLD’ smelt blood and put his foot on the gas before catching Tulio with a stiff jab. He then followed up with a thunderous right hand that turned Tulio’s lights out instantly and sent him tumbling to the canvas.Christian Leroy Duncan eyes ranked opponent after deadly KOIt was Duncan’s sixth win in eight UFC fights since making his debut in Dana White‘s promotion at UFC 286 in March 2023.“This is most definitely the statement I wanted to make tonight,” Duncan told former UFC lightweight Paul Felder after his win.“I think it puts me in a great position to potentially get to a top 15 matchup.“Next year in London, that could be a crazy opportunity, so if it’s there, I’m ready to take it, if not, we keep on moving.”Duncan said that he saw Tulio lose his step after his spinning back fist and knew instantly he had to put the Brazilian away.Duncan left Tulio unconscious on the canvas before calling for a ranked opponent nextGettyThe 30-year-old asserted that he is going to be a problem at 185lbsGettyHe praised his opponent’s toughness and grit before Felder praised him for his ninja-like fighting style.“I’m developing and evolving at a fast rate,” Duncan added.“I’m becoming more dangerous with each fight — month-to-month more dangerous.“I’m refining my skillset now. I’ve had tests in the past that have brought me to this level, and I feel like the sky is the limit… I’m going to be a problem here.”Duncan was awarded a $50,000 Performance of the Night bonus, alongside Gabriel Bonfim, Josh Hokit, and Zach Reese.Bonfim knocked out Randy Brown in the main event of the night, but the stoppage has since left the MMA world divided over whether the bout should’ve continued or not.