Karine Killer puts up a tough fight, but ends up defeated at UFC 323.

Karina Silva fighting in the UFC. Photo: Reproduction/X @UFCNews

The only Brazilian woman to compete in UFC 323 And yet another Fighting Nerds athlete, Karine Killer, was defeated by Maycee barber by unanimous decision of the judges on Saturday night (6), in a duel valid for the flyweight category (up to 56,7 kg). With the result, the South Mato Grosso native had her positive streak broken by her opponent, who in turn has seven consecutive wins and stands out as one of the main fighters in the world.

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Karine Killer showed a lot of heart.

By unanimous decision!

Victory of @MayceeBarber about the Brazilian Karina Silva No. #UFC323.

[Watch NOW on @UFCFightPassBR ] pic.twitter.com/2tKiKcnO8V

- UFC Brazil (@UFCBrasil) December 7, 2025

Right from the start of the fight, Barber sought to dominate the center of the octagon and work straight punches, such as jabs and kicks to the midsection. In this context, the Brazilian went on the offensive with takedowns against the cage and quickly transitioned to her back. Although she couldn't lock in the rear-naked choke at first, she landed good punches from that position and managed to control the American for more than half of the round. Maycee managed to reverse the position in the final seconds and landed strong punches and elbows from the top, ending the round intensely.

After a successful run in the final part of the first five minutes, the American went for a takedown in the second round. Following a guillotine attempt by the Brazilian, she secured the takedown but was hit by an illegal kick to the face. After a brief interruption, she once again took Karine to the ground, dominated her back, and began landing powerful strikes. Showing great heart, Killer managed to reverse the position in the final minutes and finish the second round in mount.

Barber returned for the third round with a lot of movement, trying to frustrate the Brazilian's attempts to corner her against the cage. In response, Karine managed a high-amplitude takedown and then threatened her opponent with a leg lock. The American defended successfully and began using her weight to open up the Brazilian's guard. The two returned to their feet, and Maycee managed another takedown in the final moments of the fight.

At the end of the 15-minute fight, all the judges scored the fight in favor of Maycee barber, with one scoring 30 to 27 and the other two 29 to 28.

Torres and Duncan shine.

The lightweight division (up to 70,3 kg) introduced two more fighters who pose a threat to the big names. Manuel Torres took no notice of Grant dawson He knocked him out in the first round. The Mexican avoided the American's takedown attempt and, standing, punished him. Nicknamed 'El Loco' and a striking specialist, the athlete exuded confidence and, by attacking him, made his opponent fall awkwardly in the octagon. With the victory, his second in a row, the fighter, who is currently unranked, should join the elite of the division, taking the 13th place from his defeated opponent.

In its turn, Chris Duncan also won terrance mckinney In the first round, but unlike Torres, he struggled. In fact, it seemed that the injured Scotsman would fall, but he survived the American's blitz and, after landing a punch, didn't waste the opportunity to finish. This was the athlete's fourth consecutive victory, and he could also enter the top 15 of the lightweight division.