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Carlos Ulberg blows out his knee, still delivers brutal knockout to beat Jiri Prochazka and win title in UFC 327 main event

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Carlos Ulberg wins his first ever UFC title with one of the most improbable finishes in history.

MIAMI, FLORIDA - APRIL 11: Carlos Ulberg of New Zealand knocks out Jiri Prochazka of the Czech Republic in the UFC light heavyweight championship fight during the UFC 327 event at Kaseya Center on April 11, 2026 in Miami, Florida. (Photo by Ed Mulholland/Zuffa LLC) Carlos Ulberg pulled off one of the most improbable title fight victories in the history of the sport after he blew out his knee and then somehow scored a vicious knockout over Jiri Prochazka in the UFC 327 main event. It was a remarkable performance after Ulberg took a misstep in the opening round and clearly hurt his knee rather badly.

He continued to favor his injured knee with Prochazka still coming after him looking for the finish. With Prochazka moving forward, Ulberg stepped back and threw a counter check left hook that connected right on the button. Prochazka crumbled to the canvas and Ulberg followed him to the ground where he unloaded a few more shots to get the knockout and become the new UFC light heavyweight champion.

CARLOS ULBERG KNOCKS OUT JIRI TO WIN THE LIGHT HEAVYWEIGHT TITLE 📺 @paramountplus pic. twitter. com/nNU6uzziHJ — UFC on Paramount+ (@UFConParamount) April 12, 2026 “It was knee.

I blew out my knee,” Ulberg said after his win. “I never ever counted myself out. I knew that all I needed was that one shot and I ended up getting it.