By Harry Davies Anthony Joshua will be ready to fight for the undisputed heavyweight world titles if Tyson Fury or Oleksandr Usyk pull out of their rescheduled fight. Heavyweight champions Fury and Usyk were scheduled to fight for the undisputed belts this Saturday but Fury was forced out of the fight after being cut above his right eye 10 days. The fight has since been rescheduled for May 18 and Saudi royal advisor Turki AlAlshikh has promised to fine Fury or Usyk £10million of their own money if they can’t make the new date. Joshua looks to secure himself an undisputed fight by beating forme…