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Ronaldo Souza “Jacare”

Ronaldo Souza also known in the fighting World as “Jacare” is one of the best middleweight fighters in MMA (Mixed Martial Arts) today. He is also an incredible jiu jitsu champion with wins against the best fighters of his generation and titles in both the World Championships (open weight division) and the ADCC, the World’s most prestigious submission related tournaments.

Ronaldo Jacare Souza Jiu Jitsu

Full Name: Ronaldo Souza dos Santos

Nickname: “Jacare” means aligator, which is the symbol of ASLE his Jiu Jitsu team. He was their most prolific competitor and he lived inside the gym for a big part of his life so people started calling him “Jacare”. Many also call him “Jaca” which is short for Jacaré.

Lineage: Mitsuyo Maeda > Carlos Gracie > Reyson Gracie > Osvaldo Alves > Henrique Machado > Ronaldo Souza

Main Achievements (BJJ/MMA/Grappling):

  • World Champion (2004 absolute, 2005 weight & absolute, 2003 brown belt)
  • World Cup Champion (2004 weight & absolute)
  • ADCC champion (2005)
  • ADCC Superfight Champion (2009 against Robert Drysdale)

Weight Category: Meio Pesado 88kg/194lbs

Association/Team: ASLE (BJJ)

Ronaldo “Jacare” Souza Biography

Ronaldo Souza dos Santos aka “Jacare” was born on the 7th of December, 1979 and contrary to common belief, he was born in Vila Velha, not Manaus, and lived in Cariacica until he was 15 in the Brazilian State of Espirito Santo. As a child, like most Brazilian kids, Ronaldo was a big football/Soccer fan and played competitively in the Goalkeeper position.

Souza did not have an easy upbringing living a less than righteous life in his teens. On the day of his 15th birthday he witnessed one of his best friends get shot and die in front of him. After this terrible event Jacare’s mom moved him to Manaus in the Amazon to go and live with his brother. It was there, around two years after the shooting incident, that Ronaldo would meet his master Henrique Machado. Machado, a BJJ black belt under Osvaldo Alves and also a 5th dan in Judo immediately saw potential in this young 50kg kid and decided to take him under his wing. As Jacare had a precarious lifestyle Master Machado took him under his wing and into home, teaching him every day and giving Souza the right nutrition while preparing him mentally for competition.

The relationship between the two started when Henrique invited Ronaldo to train Jiu-Jitsu after seeing him playing soccer on the streets. Ronaldo accepted the challenge even though he complained that he didn’t like the sport – “too much man hugging” – he said jokingly. After getting a true beating in his first class, Souza’s competitive edge came alight and he come back for more. With time little Ronaldo was hooked to the sport.

Soon after, the ASLE academy was formed with Henrique Machado at the helm and Ronaldo Souza as one of their prodigal athletes. A.S.L.E stands for “Associação Sensei de Lutas Esportivas” (Sensei Fighting Sports Association). The ASLE team eventually joined Master Team (which became Brasa at a later stage), this merge meant that the ASLE fighters had stronger logistics when competing internationally. Brasa was a well known and structured team that offered a lot to a small up and coming gym such as ASLE, such as a place to stay when competing in Rio de Janeiro and Sao Paulo as well as extra training partners with international experience.

After winning several state championships in the lower belts, Jacare’s rise to fame came with the 2003 World Championships Brown Belt Division, in which Jacaré won his weight division and the absolute, submitting all but one fighter. On that same year Jacare Souza was awarded his Black Belt by the hands of Master Machado. Jacare also has a Black belt in Judo, although it is unclear in what year he received it.

In 2003 he tried his luck in MMA for the first time against the very experienced Jorge Patino, he lost the fight by TKO, but learnt from the experience. He wasn’t ready for a main event in MMA just yet, so he waited another year to prepare before returning to the rings.

In 2004 Jacare went to the World Championships as a black belt, and although he was still a newbie as a Black Belt the show he had provided the previous year gave him already a certain star status and some of the media classified him as one of the favourites to win. Ronaldo Souza put on another good performance placing 2nd on his weight class and winning the most prestigious gold medal in Brazilian Jiu Jitsu, the Mundial Absolute (Open Weight) Division, taking the final bout against his nemesis Roger Gracie despite an injured arm due to an armbar from roger half way through the fight. In an interview given to Portal do Vale Tudo in 2007, Jacare discussed the injury stating that the armbar caused all of his ligaments to hyper extend, it also dislocated his elbow and ruptured his muscle detaching it from the bone… But it was more then worth it!

2005 Came with another fantastic year for Ronaldo Jacare, winning the ADCC in his weight division (87kg) and placing second in the absolute losing to Roger Gracie. Later that year he also managed to match his prowess of 2003 at the World Brazilian Jiu Jitsu Championships with double gold in his weight class (medium heavy) and the absolute black belt division.

Jacaré changed his focus to MMA following a professional mixed martial arts career. He took a little break to make one incursion in the super fight of ADCC (2009) against Robert Drysdale, a match he won on points, but returned to his MMA training straight after. In 2010 he finally achieved his first MMA belt after defeating Tim Kennedy for the Strikeforce Middleweight Title.

Ronaldo Jacare Souza also has a brother who fights in Both BJJ and MMA, his name is Renato Souza.

Ronaldo Souza Grappling Record

    15 (43%)
    0 (0%)
    19 (54%)
    0 (0%)
    1 (3%)
  • BY DQ
    0 (0%)


Clock choke
    4 (67%)
    1 (17%)
    1 (17%)
    0 (0%)
    0 (0%)
  • BY DQ
    0 (0%)


Mata leao

Ronaldo Souza Fight History

ID Opponent W/L Method Competition Weight Stage Year
601Saulo RibeiroSaulo RibeiroLPts: 3x0ADCCU88kgFinal2003
825Roger GracieRoger GracieLPts: 2x0European OpenAbsoluteFinal2005
907Roger GracieRoger GracieLMata leaoADCCAbsoluteFinal2005
926Demian MaiaDemian MaiaLAdvWorld CupU88kgFinal2005
941Alexandre RibeiroAlexandre RibeiroLPts: 2x0World CupO75kgFinal2005
2344Braulio EstimaBraulio EstimaLPts: 3x0ADCCAbsoluteSuperfight2011
591Ryan GracieWPts: 5x0ADCCU88kgRd 12003
596Matt LindlandWArmbarADCCU88kg1/4 final2003
599Ricardo AlmeidaRicardo AlmeidaWPts: 6x0ADCCU88kgSemi f.2003
732Delson HelenoDelson HelenoWPts: 6x0BB Challenge 3U88kgSuperfight2004
738Gustavo GuimaraesWTriangleGolden CupU82kgSemi f.2004
739Thales LeitesWPts: 4x0Golden CupU82kgFinal2004
750Fernando TerereFernando TerereWPts: 6x0Pan AmericanAbsoluteFinal2004
754Marcelo GarciaMarcelo GarciaWPts: 3x2Best FightersAbsoluteSuperfight2004
766UnknownWKneebarBrasileiroU88kg1/4 final2004
767Givanildo SantanaWArmbarBrasileiroU88kgSemi f.2004
794Roger GracieRoger GracieWPts: 4x2World Champ.AbsoluteFinal2004
796Erik WanderleiWChokeWorld CupAbsolute1/4 final2004
798Fabricio WerdumFabricio WerdumWPts: 10x0World CupAbsoluteSemi f.2004
800Fernando MargaridaFernando MargaridaWPts: 7x0World CupAbsoluteFinal2004
810Jackson MouraWTriangleWorld CupU88kgRd 12004
811Marco MatosWArmbarWorld CupU88kg1/4 final2004
813Bruno BastosBruno BastosWWristlockWorld CupU88kgSemi f.2004
827Mike WeaverWArmbarBudo ChallengeU94kgSemi f.2005
828Karl AmasoWTriangleBudo ChallengeU94kgFinal2005
861David BielkhedenWKimuraADCCU88kgrd 12005
864Robert SulskiWTriangleADCCU88kg1/4 final2005
866Dennis HallmanWArmbarADCCU88kgSemi f.2005
868Demian MaiaDemian MaiaWPts: 0x0, PenADCCU88kgFinal2005
899David AvellanWPts: 6x0ADCCAbsoluteRd 12005
903A. CacarecoWKneebarADCCAbsolute1/4 final2005
904Marcelo GarciaMarcelo GarciaWKimuraADCCAbsoluteSemi f.2005
924Saulo RibeiroSaulo RibeiroWPts: 8x0World CupU88kgSemi f.2005
937Eduardo TellesEduardo TellesWClock chokeWorld CupO75kg1/4 final2005
940Gabriel NapaoWPts: 2x0World CupO75kgSemi f.2005
960Alexandre SouzaAlexandre SouzaWChokeWorld Champ.U88kgRd 12005
965Delson HelenoDelson HelenoWArmbarWorld Champ.U88kg1/4 final2005
967Antonio SergioWKimuraWorld Champ.U88kgSemi f.2005
968Braulio EstimaBraulio EstimaWPts: 6x0World Champ.U88kgFinal2005
981Roger GracieRoger GracieWPts: 2x0World Champ.AbsoluteFinal2005
1650Robert DrysdaleRobert DrysdaleWPts: 8x0ADCCAbsoluteSuperfight2009

Jacare’s Highlight

Jacare vs Roger Gracie Mundial 2004 Absoluto (part 1)

Jacare vs Roger Gracie Mundial 2004 Absoluto (part 2)

Jacaré vs Erick Wanderlei



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