MMA training regimens are among the most advanced in all of sports today.
See also Jon Jones, phenom.
Anyone who has watched Jones fight knows he is incredibly talented. His background is wrestling -- he gave up a scholarship to Iowa State when he started his pro career. I notice he hits a lot of Judo throws in his fights. Most fans think those are greco throws but they aren't -- he's using his legs, which is illegal in greco. When I investigated this, expecting to find that he had trained in Judo as many wrestlers have, I was amazed to discover that he taught himself using internet videos!Check out the outside leg trip at about 56 seconds in the video.