Arman Tsarukyan and the Trap Named Mauricio Ruffy: When Wrestling Meets a 93% Punch

When referee Jason Herzog waves the opening round into action, I don't look at the fighters. I look at history. Mauricio Ruffy enters Crypto.com Arena with 14 career wins, 13 of them by knockout. Across from him, Arman Tsarukyan carries a back that nearly cost him a title shot at UFC 311. FanDuel lists Tsarukyan at -275 and Ruffy at +225. That number says the market believes Tsarukyan wins about 70 percent of the time. But I have never trusted pretty numbers. I trust outliers, and Ruffy has one: 13 of 14 wins via knockout. This is not a meaningless fight. UFC 331 takes place at Crypto.com Arena in Los Angeles as a pay-per-view event. It is the co-main event, but it is scheduled for five rounds. That is unusual. The UFC only schedules five rounds when the result matters like a title fight. The winner will almost certainly become the next challenger for Justin Gaethje. Tsarukyan is facing the biggest opportunity of his career. Tsarukyan is no stranger. He is ranked No. 2 in the lightweight division and No. 16 in the pound-for-pound rankings. His record is 23 wins and 3 losses. He is on a five-fight winning streak, including a submission win over Dan Hooker. He was once scheduled to fight Islam Makhachev, but withdrew one day before UFC 311 because of a back injury. A wrestler with a history of back trouble is always a question mark, no matter how good his résumé looks. Ruffy is another story. The Brazilian striker entered the danger zone after knocking out Michael Chandler. He is ranked No. 10 in the lightweight division with a 14-2 record. His defining number is a knockout rate of 13 wins in 14, almost 93 percent. That is an extreme number for the division. Not many fighters can end a fight with one clean touch. Ruffy belongs to that group. Tactically, this is the classic grappler-versus-striker matchup. Tsarukyan builds his game on chain wrestling, positional control, submissions and top pressure. Ruffy builds his game on power, distance and one-beat finishing. When these two styles collide, the decisive question is not who is stronger. The question is how long Ruffy can keep the fight standing. If Ruffy cannot stop takedowns, his 93 percent knockout rate becomes decoration. Tsarukyan will put the fight on the floor, smother the space and win with wrestling. If Ruffy solves the takedowns, Tsarukyan will have to stand with a fighter who owns a highlight-reel knockout. The market has already chosen Tsarukyan. But the original MMA Fighting live blog does not provide Ruffy's takedown defense numbers. That is the biggest hole in the debate. Based on my experience watching fights, I know that a -275 line is not probability. It is market consensus. Consensus can be broken by one punch. UFC history is full of underdogs who knocked off a clear favorite with a single strike. Ruffy has that weapon. He does not need to win five rounds. He needs to win one moment. Tsarukyan's back is what bothers me. He withdrew one day before UFC 311 because of his spine. For a wrestler who uses his back, hips and legs for takedowns, that injury carries a high recurrence risk. He has won five straight fights since then, but nobody knows how his body actually moves. UFC history has many wrestlers who collapsed because of a bad back. The original article winks: nothing could go wrong, right? That is not a joke. That is a warning. There is another signal few people notice. Tsarukyan still competes in freestyle wrestling for RAF outside the UFC. That shows his wrestling skill stays sharp, but it also raises a question about training load. A fighter preparing for a title eliminator should not carry extra physical burden from another sport. I am not calling it a mistake. I am calling it something to monitor. The five-round format favors Tsarukyan. A wrestler accumulates pressure over time, while a knockout hunter usually has his best window in the early rounds. But five rounds also have a downside. If Tsarukyan does not finish early, his back will be tested. When a wrestler gets tired, his takedowns slow down and he leaves more space for a striker. Look at the organizational picture. The UFC chose Los Angeles, a major media market, for this fight. They scheduled a five-round co-main event and placed it just before the last fight. That tells me they want the winner to step directly into the race with Justin Gaethje. Gaethje is mentioned as the championship target. Tsarukyan is being built as the rightful challenger. Ruffy, with the Chandler knockout, is the perfect spoiler. But I could be wrong. Ruffy might fail to stop a single takedown and get swallowed for five rounds. If that happens, I will be the first to admit the market was right. But if I am wrong in the opposite direction, if Ruffy stuffs the first three takedowns, we will see a completely different fight. An underdog does not need to control the fight. He needs one misstep from his opponent. A 93 percent knockout rate does not happen by accident. I am not writing this to oppose Tsarukyan. I am writing to break the consensus. When everyone believes Tsarukyan will win, the real value sits in the question of what Ruffy can do. A fighter with a 93 percent knockout rate always has underdog value. He does not need pretty odds. He needs a door. That door is takedown defense, the one metric we do not have. This fight is also about psychology. Tsarukyan once lost a title opportunity at the last minute because of injury. If history repeats, or if he loses a fight he should win, the mental weight will be heavier than any strike. Ruffy, by contrast, has nothing to lose. He has lived as an underdog his whole career. The difference between the two is technique and how they face risk. One more detail in the original article stopped me. Ruffy knocked out Michael Chandler back in June. That win was a turning point, but it also gave opponents more footage to study. Tsarukyan has certainly watched the tape. He knows Ruffy can finish with a kick or a punch. So Tsarukyan's game plan will be simple: close distance, clinch, wrestle, and give Ruffy no breathing room. I want to see how Ruffy handles wrestling pressure from the first minute. When a striker gets taken down repeatedly, he burns energy trying to escape. By round three, his legs get heavier. By round five, his punches lose their pop. If Ruffy does not finish the fight in the first two rounds, he probably enters Tsarukyan's control zone. But if he escapes well, the story flips. There are three signals I will monitor. One is Tsarukyan's movement after each takedown. Two is how Ruffy rotates his hips when he is stuck to the fence. Three is Jason Herzog's positioning in round three. An experienced referee moves closer when he sees a fighter losing the ability to defend. Those small details say more than any betting line. Tsarukyan enters this fight as the clear favorite. But a combat sports career does not run on existing titles. It runs on what happens when all predictions are pushed aside. Ruffy represents the fighter fans call a spoiler. Tsarukyan represents the fighter fans call a certainty. Inside the Octagon, certainty is never absolute. People call me a hot-take merchant. I call myself someone who reads the current before it arrives. When I predicted Germany would be eliminated at the 2026 World Cup, people called me crazy. When I said Thailand would win the 2026 AFF Cup, people called me a traitor. Tonight, I will say only one thing: put your eyes on Ruffy before you look at the score. Remember round one. If Ruffy stuffs the first three takedowns, the odds will flip faster than expected. If Tsarukyan puts the fight on the floor before the third minute, Justin Gaethje should start watching tape. UFC 331 is where the lightweight current changes direction. I might be wrong. But I said it first.