Carlos Ulberg Knocks Out Jiri Prochazka to Win UFC Light Heavyweight Title in Miami

Carlos Ulberg captured the vacant UFC light heavyweight championship with a first-round knockout victory over former champion Jiri Prochazka at UFC 327 in Miami, Florida. The event, held on April 11, 2026, featured high-profile attendance, including United States President Donald Trump, who watched cageside alongside UFC President Dana White and Secretary of State Marco Rubio. Despite suffering a knee injury early in the bout, Ulberg landed a decisive left hook at the 3:45 mark of the first round to secure the title. This victory extends Ulberg's winning streak to ten fights, improving his record to 15-1. Prochazka, who acknowledged missing an opportunity to exploit Ulberg's injury, falls to 1-3 in UFC title fights. The matchup occurred after previous champion Alex Pereira vacated the belt to challenge for the interim heavyweight crown. The presence of President Trump and other political figures highlighted the growing intersection of major sporting events and political engagement in the United States.