Johnny Fisher brands Daniel Dubois 'the hardest puncher I've EVER faced' ahead of Wembley showdown with Anthony Joshua... as Tyson Fury's ex-sparring partner explains where he went wrong against Oleksandr Usyk

EXCLUSIVE INTERVIEW BY SAM BROOKES: Fisher - who has sparred several elite heavyweights such as Tyson Fury - is adamant Dubois will be no walkover for Joshua.