Carlos Ulberg knocks out Jiri Prochazka in first round at UFC 327

Carlos Ulberg delivered one of the most striking upsets in recent light heavyweight memory, stopping Jiri Prochazka by first-round knockout at UFC 327 on April 11.

Ulberg, known as "Black Jag," improved his professional record to 15-1-0 with the finish. The 35-year-old New Zealander trains out of City Kickboxing and entered the bout ranked third in the light heavyweight division. Standing six-foot-four with a 77-inch reach, Ulberg is a high-output striker who lands 6.54 significant strikes per minute at 55 percent accuracy — numbers that place him among the division's most dangerous hands.

Prochazka came in as the No. 2-ranked light heavyweight with a record of 32-6-1. The 33-year-old Czech fighter, who trains at Jetsaam Gym Brno, is a former champion of the division and one of its most recognizable names. Standing six-foot-three with an 80-inch reach, Prochazka is himself a prolific striker, averaging 5.69 significant strikes per minute at 55 percent accuracy. Reports indicate Ulberg drew Prochazka into an exchange and capitalized to end the fight before the first round was complete.

Why it matters

• Ulberg's win over the No. 2-ranked contender instantly repositions him as a title threat in the light heavyweight division
• Prochazka suffers a setback that complicates his path back toward championship contention
• The matchup pitted two high-volume orthodox strikers against each other, and Ulberg's ability to time and finish Prochazka in that exchange underscores his elite-level striking
• City Kickboxing adds another high-profile scalp to its growing list of knockout victories