Conor McGregor's manager says the Nate Diaz trilogy fight WILL happen soon ... but first, Conor has his sights set on Charles Oliveira and the UFC lightweight belt.
TMZ Sports caught up with Audie Attar -- McGregor's longtime rep and biz partner -- at the T-Mobile Arena in Las Vegas ... and we asked who Conor will fight next if he gets a dub vs. Dustin Poirier at UFC 264.
"I think it'll be the title fight against Charles Oliveira.