Originally Posted by Boilermaker
Look at Ali, Arguably the fastest ever, As good a chin as anyone, extremely powerful, yet without heart, he would have lost to Cooper and maybe never got a shot, Never come back from the Norton broken jaw, never beaten Frazier, never hung tough and beat Foreman. In fact, he would have been just a good to average fighter even with all his great attributes.
Just a comment if i may, every fight you mention excepting Cooper features an Ali whose freakish attributes had lessened. Definitely not the same man who beat Liston with surprising ease. Many would claim at least Frazier however would always test his mettle at any stage.