Cris "Cyborg" Justino tells TMZ Sports ... she's fired up to make her UFC debut in May -- but says she still has her eye on the biggest prize of all ... BEATING RONDA ROUSEY.
Cyborg is taking on Leslie Smith at UFC 198 in Brazil on May 14th -- and says she's not only predicting victory ... but wants to put on a show everyone will remember.
"Leslie is a very tough girl, most of her fights end by decision. I don't know if it will be a KO or submission, but I DO KNOW it will be worthy of a UFC performance bonus from Dana White!