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.

Topuria vs. Oliveira will take place Saturday night, setting the stage for what's expected to be an action-packed event in Las Vegas.