Tyson appears to rank 3rd in his own era (behind Holyfield and Lewis) and if we rank eras at an equal level all the heavyweights who proved the...
Liston might be overwhelmed by a stronger, bigger, faster opponnent. Liston would not look very imposing against some of the better heavyweights...
Spinks had only a few fights at heavyweight and his resume there falls far short of a number of heavyweights. Tyson beat a number of top...
