Originally Posted by Own3d
Pankration was a martial art introduced into the Greek Olympic Games in 648 BC and founded as a blend of boxing and wrestling but with almost no rules save disallowing biting and gouging the opponent's eyes out. The term comes from the Greek παγκράτιον [paŋkrátion], literally meaning "all powers" from πᾶν (pan-) "all" + κράτος (kratos) "strength, power". 
Modern mixed martial arts competitions have come to feature many of the same methods that were used in pankration competitions in the ancient Greek world
Of course I know about that, but I'm talking about linkages. There is no continuity between the Ancient Greek sport and MMA.