Holman Williams.
Many of ya'll will say "Who?" but that is Okay.
This cat defeated Charley Burley AND Archie Moore when they were in their primes.
Burley is another guy who may deserve this title as well.
I would say Ken Norton. He had all the qualitys of a great fighter. If he didnt fight in the era he was in, he surley would be a champ in any other era.
jack dempsey was awesome, he would have wiped the floor with marciano.i'm not saying he is the most underated fighter of all time but i hate it when people put marciano above dempsey in their heavyweight great lists!
i dont think sonny liston gets (enough) respect and credit he deserves...he was great...but when ali beat him..that was it..and he was just known as the man ali beat for a while
Eder Jofre...well, maybe not underrated since almost everyone that has seen him agrees that he was practically perfect. But he is extremely overlooked simply because not many has seen him in action.