George Foreman says there's "no room for argument" over his top two picks, but he suggested others could be moved up or down in his list.
Boxing icon Mike Tyson believes that a clash with fellow legend George Foreman would have ended the punching debate "one way or the other."
George Foreman believes that he wouldn't have beaten Mike Tyson, saying 'Iron' Mike "was pretty smart with his footwork and hand speed."