Some of the world’s most well-known promoters could not get the Tyson Fury vs Anthony Joshua fight happen, but one man could. ‘Big John’ Fisher – the father of heavyweight prospect Johnny Fisher, who is known for his love of a Chinese takeaway and his simple but assertive catch phrase, ‘Bosh!’ 3 Johnny (left) is 7-0 as a pro, with six KO’s, and his dad ‘Big John’ (right) is his biggest supporter Advertisement ‘Big John’ and his son Johnny have become fan favourites over the last year in part due to ‘The Romford Bull’s’ prowess in the ring, with the…