UFC 317 will feature two world title bouts on June 28 at T-Mobile Arena in Las Vegas during the UFC’s annual International Fight Week. A lightweight title fight between former featherweight titleholder  Ilia Topuria and former lightweight champion  Charles Oliveira headlines the fight card for the vacant title.  In the co-main event, flyweight champion  Alexandre Pantoja will look to defend the 125-pound championship a fourth time against No.