Callum signed for the club on the eve of the 2018/19 season having been released by League Two side Notts County at the end of last season.
Saunders began his career in the Crewe Alexandra Academy and signed a professional contract with the club in June 2014. He made his Football League debut on 9 August 2014 in a 2–1 defeat away at Fleetwood Town and scored his first Crewe goal at Doncaster on 12 December 2015.
Following his release from Crewe in 2017, the striker signed for Notts County at the beginning of the 2017/18 season.
He is also a Welsh international having played for both the country’s U19 and U21 sides. He is the son of former Liverpool forward Dean Saunders.
Callum finished top goalscorer in his first season for the Dabbers netting on 17 occasions, including a hat-trick in a 5-2 home win over Lancaster City.