New Delhi, April 13 -- Hobbling on one leg, Carlos Ulberg refused to let an injured knee ruin the opportunity he earned at UFC 327 on Saturday night.

With President Donald Trump sitting cageside, Ulberg delivered a perfect left hook to Jiri Prochazka's chin and won the undisputed light heavyweight belt with a knockout at the 3:45 mark of the first round.

"I blew out my knee, but I never counted myself out," Ulberg said. "I knew all I needed was that one shot and I ended up getting it. So I knew that Jiri was hesitant to come forward. And as soon as I landed my left hand he's going.

"It's about getting those moments."

Ulberg (15-1-0) appeared to tweak something early in the first round when he planted his foot and his right knee buckle...