Jake Paul is firing back at Deji's claim he's "too p***y" for a rematch ... telling TMZ Sports he's got MUCH bigger opponents in mind ... and one of them is Conor McGregor's right-hand man!!!
We spoke with the social media superstar -- who Forbes just named the 2nd-highest paid YouTuber of 2018 -- about Deji calling for a rematch of their boxing super fight from August.
Jake slams the door on another fight with Deji ... saying he wants a REAL challenge -- either Bellator star Dillon Danis or his internet rival FaZe Banks!