Can Joshua entertain and show slick boxing skill on his US debut on 1 June? Anthony Joshua has warned Deontay Wilder and Tyson Fury they risk facing a better version of him if frustrating fight negotiations drag on. Unified world heavyweight champion Joshua faces Andy Ruiz Jr on 1 June. The 29-year-old says the bout…

Ruiz (left) beat German Alexander Dimitrenko (right) two weeks ago Unified world heavyweight champion Anthony Joshua is set to face American Andy Ruiz Jr in New York on 1 June. Joshua, 29, was due to face Jarrell Miller at Madison Square Garden but the American failed drug tests, forcing him out of the Madison Square…