Iwo Baraniewski Knocks Out Ibo Aslan in 89 Seconds at UFC
Baraniewski Turns the Exchange
Aslan entered with a reputation for heavy hands, but Baraniewski stayed composed through the opening exchanges and found his counter. A right hand dropped Aslan, and the referee stepped in after Baraniewski followed with strikes. The official UFC record lists the result as a first-round KO/TKO at 1:29.
The finish gave Baraniewski an immediate statement in the UFC light-heavyweight division. The matchup also showed how quickly an aggressive exchange can change direction: Aslan pressed forward, Baraniewski found the opening, and the contest ended before either fighter could settle into a longer tactical battle.
Aslan had entered the bout with prior UFC experience, while Baraniewski was making his first appearance with the promotion. The result made Baraniewski’s name the story of the night and left Aslan with a setback to address in his next outing.
UFC 323 took place in Las Vegas on December 6, 2025. The official UFC event record lists the bout as a light-heavyweight contest and gives Baraniewski the KO/TKO victory at 1:29 of Round 1. That source confirms the winner, method, round, and time.
Early knockouts often compress the story of a fight into a single decisive exchange. Here, the official record supplies the safest description: Baraniewski stopped Aslan at 1:29 of the first round.
Sources
UFC: official UFC 323 results · UFC: full fight video
