the most skilled ufc fighters can be ranked in 3 categories: first u have the fighter (in this case bisping), a very good athlet that would be a world champion of any other big circuit; then u have the gladiator (in this case belfort), an excellent fighter that can overcome any adversary even an elite fighter; finally u have the elite fighter (anderson silva, bj penn, gsp, jon jones, cain velasquez) they are at the top of their divisions and master their game.