Former featherweight titleholder Topuria (16-0 MMA, 8-0 UFC) will take on former 155-pound kingpin Oliveira (35-10 MMA, 23-10 UFC) for the vacant strap left behind when Islam Makhachev agreed to move up to welterweight. There is history at stake for both sides, and the anticipated was palpable during their final encounter at ceremonial weigh-ins.

Israel Adesanya is concerned with Charles Oliveira's striking defense against Ilia Topuria. Oliveira (35-10 MMA, 23-10 UFC) meets Topuria (16-0 MMA, 8-0 UFC) for the vacant lightweight title in Saturday's UFC 317 main event (pay-per-view,

The vacant UFC lightweight championship is up for grabs at UFC 317, with Ilia Topuria vs. Charles Oliveira, with the flyweight title on the line in the co-main.