The best heavyweight boxers of all time are not just the best boxers in that weight class but also arguably many of the best boxers of all time. These men dominated their matches during their respective times, won championships and even fought each other on occasion in some of the most well known boxing matches in history.
Easily the best of all time, Muhammad Ali is undoubtedly the best heavyweight boxer to ever step in the ring. As the first and only three-time lineal World Heavyweight Champion, Ali fought many of the other members on this list in many of the greatest boxing matches ever such as when he duked it out with Joe Frazier and George Foreman and lost only five matches over his career which spanned over 20 years.
Going beyond "The Greatest," many other notable heavyweight boxers have earned their place on these rankings too. Joe Louis, Rocky Marciano, Sonny Liston, Lennox Lewis and Evander Holyfield are all easily among the best heavyweight boxers ever. Even current boxers made the list with the current Heavyweight Champion Wladimir Klitschko from the Ukraine a modern legend.
Be them current champions or legends from yesteryear, these are surely boxers that should not be messed with. Share your thoughts on which of these men are the best in their weight class by voting, adding to or re-ranking this list of the best heavyweight boxers of all time.