. "World heavyweight boxing championship records and statistics" . "69.23% in world heavyweight title fights" . "stopped every opponent he ever faced" . "most fighters beaten for the world heavyweight championship" . . . . . "11 boxers" . "record for the longest cumulative heavyweight title reign" . "combined three reigns tally 3,086 days" . "international expansion of boxing governing bodies" . "oldest world heavyweight champion in history" . "one of nine boxers" . . . . . "World heavyweight boxing championship records and statistics" . . "63.64% in world heavyweight title fights" . "longest combined world championship reign in heavyweight history" . "21 boxers" . "longest cumulative heavyweight title reign" . . "15 boxers" .