Ronaldo “Jacare” de Souzais a Brazilian mixed martial artist, submission grappler and Brazilian Jiu-Jitsu practitioner who made his debut on September 9, 2003 at Jungle Fight’s inaugural event. He is the 2004 and 2005 Openweight World Jiu-Jitsu Champion, the 2005 77–87 kg ADCC Champion and the 2005 ADCC Absolute Division runner-up, only losing to Roger Gracie who outweighed him by approximately 25 lb. In 2008 he became the runner up in Dream’s mixed martial arts Middleweight Grand Prix tournament after losing to Gegard Mousasi in the finals.His nickname Jacaré is Portuguese for alligator.

AJacare’s Championships and Accomplishments include – 2009 ADCC Superfight winner, 2008 Dream Middleweight GP runner up, 2004 Openweight World Jiu-Jitsu Champion, 2005 Openweight Worl Jiu-Jitsu Champion, 2005 ADCC 77-87Kg Division Winner, 2005 ADCC Absolute Division Runner-up

Height: 1.83 m (6 ft 0 in)
Weight: 84 kg (185 lb)
Reach: 72.0 in (183 cm)
Style: Brazilian Jiu-Jitsu & Submission Grappling
Team: BBlack House
Record: 11 – 2 – 1 (Win – Loss – Draw)

Jacare Highlights