Oleksandr Usyk is set to earn a reported $138M in his bout with British fighter Daniel Dubois, one of the largest purses in boxing history. Photos from Usyk's childhood and career chart his rise from an impoverished upbringing in Ukraine to his legendary status today.

The Daniel Dubois vs Oleksandr Usyk rivalry will continue this weekend, two years on from a famous row over a controversial low blow. The heavyweight pair will do battle for the second time at