Tyson Fury faces the acid test of his boasts that he will end Wladimir Klitschko's four-year reign as undisputed world heavyweight champion when the pair clash in Duesseldorf on Saturday.
Tyson Fury faces the acid test of his boasts that he will end Wladimir Klitschko's four-year reign as undisputed world heavyweight champion when the pair clash in Duesseldorf on Saturday.