I used to work in a clothes shop fitting Kell Brook’s shoes, now I’m looking to fill his boots in the ring

CALLUM SIMPSON used to fit Kell Brook’s shoes but now he wants to fill his boots.

Barnsley’s 27-year-old super-middleweight put himself through college with a part-time job in a menswear shop where Sheffield’s former welterweight world champ would pop in for free gear.

GettyCallum Simpson fights Zak Chelli at Barnsley’s Oakwell stadium[/caption] https://www.instagram.com/callumsimp/Simpson and Sheffield’s world champion Kell Brook go way back[/caption]

Simpson would have...