![John Fury excited by the prospect of Tyson Fury vs Derek Chisora trilogy but warns son Delboy must not be treated as warm-up for Oleksandr Usyk or Anthony Joshua](https://cdn.newsserve.net/ONPglobe256.png)
John Fury excited by the prospect of Tyson Fury vs Derek Chisora trilogy but warns son Delboy must not be treated as warm-up for Oleksandr Usyk or Anthony Joshua
Heavyweight champion Tyson Fury has confirmed his retirement from boxing, putting an end to speculation that he will fight Derek..