After his most recent UFC outing, a loss to Andre Muniz, longtime middleweight contender Ronaldo ‘Jacare’ Souza, noted for his grit and known as a gifted Brazilian jiu-jitsu practitioner, has retired from mixed martial arts four months before his 42nd birthday. Souza (26-10, 1 NC MMA, 9-7 UFC) was the Strikeforce middleweight champion for over … Continue reading ICYMI: Former UFC mainstay and Strikeforce champ ‘Jacare’ Souza retires from MMA