Oliveira, 35, was violently knocked out by Topuria (17-0 MMA, 9-0) at the 2:27 mark into their vacant lightweight championship main event bout Saturday at T-Mobile Arena in Las Vegas. He remained on the canvas for a couple minutes following the sequence, but was back on his feet for the official decision's reading.

Ilia Topuria continued his ascension up the pound-for-pound ladder with a major statement via a vicious first-round knockout of Charles Oliveira to win the vacant lightweight championship at UFC 317.