Date of birth
Callum joined Town on loan until the end of the 2018/19 season from Leicester City to provide competition at left-back.
The Australian has had a number of loan spells with different clubs in England, including Peterborough, Brentford & Barnsley. He was also part of the Wigan side which gained promotion from League One in 2017/18, as well as knocking Manchester City out of the FA Cup.
He will wear the number 25 shirt.