He is also an incredible Jiu Jitsu fighter , a World Cup Champion and a Black belt from one of the best instructors in the business .
Demian is one of the top MMA fighters in the UFC today .
Demian is also an incredible Jiu Jitsu Demian , a World Cup Champion and a Black belt from one of the best instructors in the business .
Demian is one of the top MMA fighters in the UFC today .