Mario Sperry is a 3 Time World Jiu Jitsu Champ, 6 Time ADCC World Champ, MMA veteran. Born in a wealthy family and coming from a military college, where he practised sports like waterpolo, volleyball, soccer and hammer throwing, Sperry started his martial arts career learning judo under master Georges Mehdi. At brown belt … Continue reading Mario Sperry’s Thoughts on Sport Jiu-Jitsu’s Effectiveness for Self Defense