Carlos Ulberg Wins UFC 327 Light Heavyweight Title with Knockout

Injured fighter overcomes knee issue to defeat champion Jiri Prochazka in Miami

Apr. 12, 2026 at 7:32am

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An abstract, energetic painting in neon colors depicting the explosive moment of a fighter's punch, with distorted figures and rapid brushstrokes conveying the raw power and intensity of the UFC title fight.A dramatic artistic interpretation of the decisive knockout blow that earned Carlos Ulberg the UFC light heavyweight title in an upset victory over champion Jiri Prochazka.Miami Today

In a stunning upset at UFC 327 in Miami, challenger Carlos Ulberg knocked out defending light heavyweight champion Jiri Prochazka with a perfectly timed left hook, despite Ulberg fighting through a knee injury. The victory earned Ulberg the UFC light heavyweight title in front of a high-profile cageside audience that included President Donald Trump.

Why it matters

Ulberg's victory is a major upset in the UFC's light heavyweight division, as Prochazka was the heavy favorite heading into the fight. Ulberg's ability to overcome his injury and deliver a highlight-reel knockout against the champion speaks to his toughness and skill as a fighter. The title change also shifts the power dynamics in the 205-pound weight class.

The details

Ulberg entered the fight with a nagging knee injury, but he refused to let it deter him from his title shot. In the third round, Ulberg landed a crushing left hook that instantly dropped Prochazka, who was unable to recover. Referee Herb Dean immediately stopped the fight, awarding Ulberg the TKO victory and the UFC light heavyweight championship.

  • The fight took place on April 12, 2026 at UFC 327 in Miami, Florida.
  • Ulberg landed the fight-ending left hook in the third round of the scheduled five-round title fight.

The players

Carlos Ulberg

The 28-year-old New Zealand fighter who defeated Jiri Prochazka to win the UFC light heavyweight title.

Jiri Prochazka

The defending UFC light heavyweight champion who was knocked out by Carlos Ulberg at UFC 327.

Donald Trump

The former President of the United States who was in attendance at UFC 327 in Miami.

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What they’re saying

“I knew my knee was hurt, but I also knew I had one shot to take that title. When I saw the opening, I had to take it.”

— Carlos Ulberg, UFC Light Heavyweight Champion

What’s next

Ulberg is expected to make his first title defense against the winner of the upcoming fight between Magomed Ankalaev and Jan Blachowicz.

The takeaway

Ulberg's upset victory over the heavily favored Prochazka demonstrates the unpredictable nature of MMA and the ability of determined fighters to overcome physical limitations to achieve championship glory.