Carlos Ulberg knocked out Jiri Prochazka in dramatic fashion to capture the vacant light heavyweight title in the UFC 327 main event.
The finish came at the 3:45 mark of the first round Saturday night at Kaseya Center in Miami.
Ulberg suffered a knee injury early in the fight but rallied to pull off an improbable win. He caught Prochazka with a picture-perfect left hook and put him to sleep with vicious follow-up shots on the ground.