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.

UFC 31 will showcase Ilia Topuria facing off against Charles Oliveira for the vacant UFC lightweight title on Saturday. Here is what to know.

The UFC 317 fight between Ilia Topuria and Charles Oliveira will be available through pay-per-view in the US on ESPN+. ESPN+ subscribers can opt to add it on to their monthly plan ( click here to see how ), and it's a $79.99 add-on to the monthly subscription.