On July 19 at Wembley Stadium in England, the unified WBC, WBO and WBA world heavyweight champion Oleksandr Usyk and IBF titlist Daniel Dubois will fight for all the belts in the first-ever undisputed heavyweight contest to take place on UK soil,

The growing popularity of IBF heavyweight champion Daniel Dubois and the significant stature of the brand of Oleksandr Usyk in the UK marketplace means that within 24 hours, more than 60,000 tickets have been sold for their rematch.

Having shared sparring rounds with both Daniel Dubois and Oleksandr Usyk, Dave Allen is well placed to assess their upcoming rematch.