Dubois might have been elevated from Interim titlist to world champion without throwing a punch, but winning this would prove him worthy of the IBF championship he now holds but is yet to win in the ring or defend in the bout.
For Joshua the implications are seismic. Winning the IBF belt would see him join a small, august group as a three-time heavyweight world champion. His place in boxing history is being written. It will be assured if ultimately he fights for the undisputed title and all four of the major belts.
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