24 year-old left sided full-back or central defender who joined Hayes & Yeading in December 2019 from National League South side Weymouth on a permanent deal having previously had a short loan spell with United in September 2019.

Callum is a graduate of the AFC Bournemouth Academy who signed for Weymouth in the summer of 2017 having left the Cherries. While at Bournemouth he had loan spells with Eastbourne Borough and National League side Aldershot Town.