By Harry Davies Jake Paul has started ‘training’ for his boxing fight against Mike Tyson by partying in St Barts. YouTuber-turned-boxer Paul and 57-year-old boxing are gearing up for their mega-fight on July 20 at the 80,000 seat AT&T Stadium in Texas. Paul has pushed heavily for a fight against Tyson in the past few years and despite ‘Iron Mike’ ruling out any chance of a ring return, he will fight for the first time this summer since his November 2020 exhibition against Roy Jones Jr. Tyson started his training just over a week ago and videos of him hitting pads with trainer Rafael Cordeiro h…