Boxing's Greatest Fighters

Easily the most enduring of all sports questions is "Who was/is the best . . . ?" Perhaps in no sport is the question more asked and argued over than in boxing. And in boxing perhaps none is more qualified to answer the question than Bert Randolph Sugar.
In Boxing's Greatest Fighters, not only does the former publisher of Ring Magazine tell us who the best fighters were, he lists them in order.

Could Sugar Ray Robinson have beaten Muhammad Ali? Could Sugar Ray Leonard have beaten Sonny Liston...