Tyson Fury has warned Anthony Joshua that he is ‘way down the ladder’ in potential opponents following his two-fight deal with Oleksandr Usyk. The delayed unified heavyweight contest between Fury and Usyk will finally take place on May 18 after the Gypsy King was forced to delay the fight after suffering a cut to his eye. It’s the first time this century that all heavyweight belts will be on the line in a historic event to be hosted in Saudi Arabia. A rematch between them both will then take place later this year, although the winner will supposedly have to vacate the IBF belt. It likely means…