Moacir Mendes Júnior is one of the most successful judo players of his generation, with Junior titles at the IJF World (1999) and Pan American Championships (1998) as well as CBJ's Brazilian Nationals (2002, 2004, 2005, 2006) among many other important medals which earned him the honorary title of 'Best Newaza Athlete in Judo' back in 2012. Moacir Mendes is also a black belt in Brazilian jiu jitsu under Mário Reis, another sport in which he excelled competitively. As an instructor Moacir Mendes Júnior has worked on improving the ground game of the Brazilian Olympic Team (newaza coach) and the stand-up for BJJ at Alliance Porto Alegre and Los Angeles.