Profile: Mauricio Shogun Rua introduces you to the most aggressive fighter in the world: Mauricio Rua. Winner of the PRIDE Fighting Championships 2005 Middleweight Grand Prix, Mauricio “Shogun” Rua is known as one of – if not THE most – aggressive fighters in the world. Mauricio’s family has a tradition of fighting; his older brother Murilo Ninja Rua is also a mixed martial arts fighter. Before fighting in the UFC, Rua was part of the Pride Fighting Championships. His aggressive style flourished, but he made the switch to UFC in 2007. Because of their stricter rules, Rua was forced to alter his style – his success at which has earned him the title as one of the sport’s more versatile fighters. In this video, learns more about Shogun.