Earlier, informed sources close to the situation reported on the organization of the fight.
Both fighters last entered the octagon in October last year at UFC 280 in Abu Dhabi, where Charles Oliveira lost to Islam Makhachev by arm triangle choke for the vacant title, and Benil Dariush scored his eighth victory in a row, winning by unanimous decision over Mateusz Gamrot.
Charles Oliveira and Benil Dariush are currently ranked #1 and #4 in the UFC lightweight division, respectively.