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 needed just one round to finish Charles Oliveira, knocking him out cold to capture the vacant lightweight title in the UFC 317 main event.

In a 5-round lightweight title bout in the main event, Ilia Topuria and Charles Oliveira meet Saturday at UFC 317 at T-Mobile Arena in Las Vegas.