 Aurélio began his career in promotions such as ZST and HOOKnSHOOT, earning notable submission victories against Remigijus Morkevicius and Rich Clementi.Aurelio then came to PRIDE Bushido, where he defeated PRIDE Lightweight Champion Takanori Gomi with an arm triangle in a non title fight.A rematch for the title was scheduled six months later, which Gomi won by a controversial split decision.