Johnny Fisher fires back at Michael Pirotton’s ‘mental frailty’ jibe: ‘The best Romford Bull is yet to come’
Heavyweight puncher Johnny Fisher denies he has mental frailties ahead of his Copper Box clash with Michael Pirotton; Fisher warns: "The best version of Johnny Fisher, the 'Romford Bull' is yet to come"; <strong>Watch Fisher vs Pirotton this Saturday live on <em>Sky Sports</em></strong>