Rolando Delgado, commonly known as 'Roli' Delgado is a Brazilian jiu jitsu black belt and grappling pioneer in the state of Arkansas, US where he co-founded the Westside MMA academy. A former professional mixed martial arts (MMA) fighter for the Ultimate Fighting Championship (UFC), Delgado is also known for his work as a jiu jitsu instructor and for his strong influence in the development of the straight ankle lock for sport jiu jitsu in the early 2010 decade.