Choosing the greatest of any sport is never easy. This is what I think

Royce Gracie - As a huge Gracie fan watching him get destroyed by Hughes was painfull to watch. It was clear that his time in the sun was over but what he achieved in the early years even though he was facing guys who were not near his level was incredible. The losses to Saku and Hughes dented his reputation as did his poor performance against Tokoro. But for me he will always be THE MAN just like Ali is the Man in the boxing world of all time even though I think he would lose to a prime Tyson ( but that's all if's and buts). I put his name in here even though there is probably a hundred fighters today that could beat him

Kazushi Sakuraba - Awesome grappler ( would have loved to see him in ADCC competition to see just how good), incredible performer and showman and amazing box office draw. His battles with the gracies are legendary and all MMA fans should check them out. He would have been the greatest MMA figher ever if Pride looked after him a little better and not put him against bigger guys. He apparently drank a lot in his prime and if you combine this with a list of injuries the lengh of his arm and the fact that he has balls of steel and would not back down from anything. These things were never going to help him but then again these flaws in his career are what made him the icon he is to many MMA fans. My fav fighter of all time but I wish he would retire and just relax untill he reaches old age...

While I respect Ken Shamrock for what he has done is his pancrase years ( subs win overs Bas) and the earlier UFC's I've personally never had him near a top 10 list.

Agree with comments about Randy.

There is no one in history who has shown me that they could beat Fedor in unarmed combat. Powerfull yet unorthodox striking, unflappable, quick, strong, comfortable in whatever postion and the best game plan in MMA.

I agree with Van about GSP and Shogun. If BJ had his head on the last couple of years he would have been in my top 3