UFC 331: Arman Tsarukyan, Mauricio Ruffy, and the fight against a 93% knockout rate

The night of UFC 331 begins with a long stare. Arman Tsarukyan stands still before walking to the cage, watching Mauricio Ruffy, whose shoulders look loose as if this were a sparring session. Tsarukyan has reasons to be cautious. He is ranked No. 2 in the UFC lightweight division with 23 wins, but the man across from him owns one of the most frightening knockout rates in the sport: 13 of 14 wins by KO/TKO. For a wrestler, few things are more dangerous than a patient finisher. Tsarukyan once stood on the verge of a title shot, facing Islam Makhachev at UFC 311. He had to withdraw one day before the fight because of a back injury. Since then, a five-fight winning streak pushed him back to No. 2, but questions about his body never went away. Some losses are not on the scoreboard; they live in the eyes of the fighters when they leave the arena. I write from that place. For Tsarukyan, the haunting memory is not a defeat, but the night he never got to walk out for the biggest fight of his life. Tonight, Tsarukyan faces Ruffy in a five-round co-main event. The five-round format is rarely used outside main events, and it signals a title-eliminator status. Justin Gaethje, the name mentioned in the original analysis, waits at the end of the road. Oddsmakers favor Tsarukyan at -275; Ruffy is +225. Converted, the market gives Tsarukyan roughly 70 percent win probability. That respect comes from Tsarukyan's wrestling. He is one of the best chain wrestlers in the division, moving from one takedown attempt to another without letting opponents reset. Ruffy, a pure striker, faces an unanswered question: how good is his takedown defense? No prefight press release provided that number. From a mocked debut post to a widely read series, I learned that the truth never loses the beat. The truth here is that we still do not know what Ruffy will do when dragged to the mat. Ruffy has more than raw power. He is 14-2, with 13 finishes. The knockout of Michael Chandler in round one was a clear message: he can end a fight in one moment. To do that, he must keep the fight standing. If Tsarukyan takes him down in the first round, the math changes. If Ruffy stuffs those early attempts, the pressure shifts back to the favorite. Here is the nuance. A wrestler coming off a back injury often loses the reckless confidence needed to shoot low. He still wrestles, but a voice in his head keeps whispering about the pain. I have rewatched Tsarukyan's post-UFC 311 fights. In many exchanges, he chooses to hug and pressure instead of lifting and slamming. It works, but it burns more energy. Over five rounds, a spine that almost ended his career could become the breaking point. For Ruffy, this is a golden chance. He has nothing to lose against a higher-ranked opponent. If he wins, he does not just earn a title shot; he becomes a new star with a memorable highlight. With a 93 percent KO rate, that scenario is not fantasy. His movement against Chandler showed frightening patience: no rushing, just waiting for the right moment, then exploding. The five-round format can ruin that plan. Strikers often fade after round two. If Ruffy cannot finish in the first three rounds, Tsarukyan will take over in the championship rounds. A wrestler's advantage is accumulation: a takedown in round five shapes the fight more than a flashy punch. The paradox is that more time also threatens Tsarukyan. He needs takedowns, but every takedown stresses his spine. If the pain returns in round three or four, a finisher with a 93 percent KO rate knows what to do. I do not believe Tsarukyan gets knocked out in round one. But if Ruffy keeps the fight close until round three, the door opens. Market odds often miss one thing: mental state. Tsarukyan left UFC 311 hurt, physically and mentally. A fighter who spends his whole career chasing the belt, then has to pull out at the last moment, carries caution into the next fights. It does not show on the odds. It shows in the way he moves and absorbs contact. If Tsarukyan wins, the story is beautiful: a wrestler overcomes injury to reclaim the No. 1 spot. If Ruffy wins, the lightweight division gets a major shakeup. Both outcomes create compelling content for the UFC, which is likely why the promotion gave this fight five rounds. They want a clear successor or a new star, not just a good fight. Before the fight began, I looked at Tsarukyan again. He nodded at referee Jason Herzog and turned to his corner. Tonight, the important question is not who is better, but whether a spine that almost took away his dream can hold up for five rounds. Every season is a song; I am just the beat keeper for the stories that settle down. Whatever happens, this one will echo for a while.