UFC 278 Kamaru Usman vs Leon Edwards 2

Leon Edwards has shocked the MMA world.

Edwards won the UFC welterweight title by defeating Usman in the main event of UFC 278 at the Vivint Arena here on Saturday night.

The finale took place at 4:04 of the fifth round. Osman was considered the best fighter pound-for-pound in the world

Edwards breaks Usman's 15-fight UFC winning streak, a UFC record

It was one of the most surprising knockouts in the history of the sport.

Costa (14-2) stuns Rockhold (16-6) to collect a unanimous 30-27 score during a grueling three-round match at UFC 278 on Saturday

"I can't do this s--- anymore," Rockhold said. "I gave it my all. I'm f----ing old."

For Rockhold, a former UFC and Strikeforce champion, it appeared to be the end of the road