MMA Junkie analyst Dan Tom goes in-depth to break down the biggest fights in the UFC. Today, he takes a closer look at the UFC 317 vacant lightweight title main event between former featherweight champion Ilia Topuria and ex-lightweight champ Charles Oliveira.

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 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.