![Oleksandr Usyk backed to beat Anthony Joshua again by Bob Arum, who believes Tyson Fury will come out of retirement and take on the winner in ‘grand unification fight’](https://cdn.newsserve.net/ONPglobe256.png)
Oleksandr Usyk backed to beat Anthony Joshua again by Bob Arum, who believes Tyson Fury will come out of retirement and take on the winner in ‘grand unification fight’
Heavyweight champion Tyson Fury has confirmed his retirement from boxing, putting an end to speculation that he will fight Derek..