This "type of competition" involves ju jitsu, karate, wrestling, etc. Again, it's mixed martial arts.
Do you mean that fighters used to have one specialty like karate, whereas now they are still a specialist in karate, but well round in other fighting styles as well?
If so, that was just phased out by default. Fighters were forced to learn other disciplines to survive. I still like to watch great fights like in the last UFC. Couture is a world champion in Greco Roman Wrestling, against Silvia who is mainly a boxer.
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