A new challenge has entered the UFC middleweight conversation, and it came from Paulo Costa. The Brazilian contender said this week he wants a showdown with champion Khamzat Chimaev at UFC 3XX, pushing for the fight to happen at 205 pounds instead of the middleweight limit.
Costa made the callout after saying he had beaten another Russian opponent, then turned his attention to Chimaev with a pointed message about whether the champion would be willing to move up and meet him at light heavyweight. The added wrinkle is obvious: Chimaev is now the man at 185, and any talk of going to 205 immediately raises questions about risk, legacy, and whether the UFC would entertain a champion taking a non-title fight in a heavier division.
From a divisional standpoint, the matchup would be chaotic but meaningful. If Costa were to beat Chimaev, he would instantly reboot himself as a major name in either weight class after an uneven recent stretch. If Chimaev won, it would only strengthen the idea that he is one of the promotion’s most dangerous stars, with potential superfights waiting beyond middleweight.
There is also a fan-interest angle here that plays well in the U.S. market. American MMA audiences have long viewed Costa as a volatility machine — dangerous, outspoken, and always one moment away from stealing a headline. Chimaev, meanwhile, has become one of the UFC’s biggest talking points because of his pressure style and his ability to generate strong reactions from both supporters and critics. Put those two together, and the promotional hook sells itself.
The stakes are different for each man. Costa needs to prove he is still a real factor against elite competition, not just a memorable personality. Chimaev would need to show that championship status has not dulled the aggression that made him must-watch in the first place. For now, it is only a callout, but if the UFC decides to explore it, the weight class, timing, and Chimaev’s willingness to answer will be the details to watch.