“Joshua will beat Wilder. He’s a better complete package”: Mark Seltzer on the most important fight of Anthony Joshua’s career

Anthony Joshua's corner man, Mark Seltzer, is huge in the boxing scene. He’s the man stood behind the biggest names in British boxing. He’s the man with the inside scoop. The man who walks step-by-step with fighters right up to the ropes, those four corners of truth, before they unleash