Ulberg delivers first-round KO to win light heavyweight belt as Trump takes spotlight at UFC 327

At UFC 327 in Miami on April 11, 2026, Carlos Ulberg defeated Jiri Prochazka by first-round knockout to win the light heavyweight title. Despite injuring his knee early in the fight, Ulberg landed a decisive left hook, ending the match at 3:45 of the first round. Prochazka admitted he hesitated to capitalize on Ulberg's injury, a decision he regrets. The title became vacant after Alex Pereira moved up to heavyweight. The event occurred with former President Donald Trump in attendance, who also promoted the event on his Truth Social account.

At UFC 327 in Miami, Carlos Ulberg defeated Jiri Prochazka by knockout in the first round to win the vacant light heavyweight title. The fight took place on Saturday with former U.S. President Donald Trump in attendance. Ulberg secured the victory at 3:45 of the first round with a left hook, despite appearing to injure his knee earlier in the fight. This win marks Ulberg's tenth consecutive victory, while Prochazka has now lost three of his last four UFC title fights since June 2022. Prochazka admitted he hesitated to capitalize on Ulberg's injury, a decision he regrets.