So we have Matt Hughes as champ with gsp and bj Penn as second and third. Joe Riggs and Karo Parisyan are the promising contenders while Sanchez, koscheck, swick, Fitch, Lytle, Diaz, sherk and John alessio are fighting it out. So who would win between two promising contenders? Joe Riggs or Karo Parisyan? Joe Riggs boxing vs Karo Parisyan judo! Winner gets either gsp or Penn.