[4] He had compiled a record of four wins, 20 loses and three draws when he defeated Anthony Smith on points to claim the vacant Central Area super-flyweight title at Leigh Sports Village on 10 June 2017.
[4][5] Derbyshire lost the title on points to Tommy Frank in his first defense at IceSheffield on 27 April 2018,[6][7] but bounced back to win the vacant Central Area bantamweight championship by stopping Lee Clayton in the fifth round of their contest at De Vere Whites in Bolton on 29 September 2018.
[12] After almost two years away from the ring, he reclaimed the belt in his next fight with a split decision success over Joe Maphosa at Rainton Meadows Arena in Houghton-le-Spring on 10 September 2021.
[13] Once again switching weight divisions, Derbyshire challenged British flyweight champion Tommy Frank at the Magna Centre in Rotherham on 3 April 2022.
[17] He won the biggest fight of his career to date by dethroning Commonwealth light-flyweight champion Matt Windle at Lions Centre in George Town, Cayman Islands, on 8 December 2023.