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Ulberg Claims UFC Title with KO Despite Knee Injury

Published 16 April 2026

Carlos Ulberg claimed the vacant UFC light heavyweight title with a stunning first-round knockout of Jiri Prochazka on Saturday night at UFC 327 in Miami's Kaseya Center, overcoming a severe knee injury that threatened to end the fight early.

The 35-year-old New Zealander, known as Black Jag, entered the bout on a 10-fight winning streak and capitalized on a momentary hesitation from his opponent. Early in the round, Ulberg's right knee buckled awkwardly as he evaded Prochazka's strikes, causing a visible ripple and immediate limp that compromised his mobility. Prochazka, a former champion with a reputation for aggressive, unorthodox fighting, appeared to back off, later attributing it to feeling "mercy" for the injured fighter. Ulberg, pressed against the cage, stayed composed and unleashed a precise left hook that rocked Prochazka, leading to a TKO stoppage moments later.

In his post-fight interview with Joe Rogan, Prochazka expressed disbelief and remorse. "Fk. I felt, like, mercy, you know? I felt so sorry for him," he said. "This is one of the biggest lessons in my life. I had it in my hand. I just left him because I saw his injury." Ulberg, speaking to media including...

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