'Usyk is a genius – but how tough is he?'

Oleksandr Usyk is a "genius" but his toughness when trading punches with a larger opponent remains a question mark, insists promoter Eddie Hearn.

'Usyk is a genius – but how tough is he?'
Oleksandr Usyk is a "genius" but his toughness when trading punches with a larger opponent remains a question mark, insists promoter Eddie Hearn.