Before Dubois’s mouthwatering title fight with Fabio Wardley, Alex Pattle speaks to the still-young heavyweight, his promoter, his performance analyst, and former champion David Haye Inside Sport newsletter: Get an expert guide to the biggest moments shaping the world of sport Get our free Inside Sport newsletter Get our free Inside Sport newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice D aniel Dubois is on the