José Mário Sperry, a Brazilian heavyweight mixed martial artist, trained a retired Brazilian mixed martial artist who in submission wrestling, he holds an undefeated record of what?
Mário Sperry: José Mário Sperry (born September 28, 1966) is a Brazilian heavyweight mixed martial artist. Ricardo Arona:  In submission wrestling, he holds an undefeated record of 13-0, never losing a single point in a match, and is a three-time ADCC Champion. Ricardo Arona:  He has notable wins in both MMA and submission grappling competition over Tito Ortiz, Jeff Monson, Renato Sobral, Vitor Belfort, Mark Kerr, Kazushi Sakuraba, Wanderlei Silva, Dan Henderson, Alistair Overeem, Murilo Rua, Jeremy Horn, Guy Mezger, and Dean Lister.
i don't know