[3] He was a member of the senior squad for their pre-season tour of China, where he played in the club's Premier League Asia Trophy Final victory over Manchester City.
Starting in a three-man defence alongside the experienced George Friend and fellow debutant Mitch Roberts, he played for 73 minutes before being replaced by another newcomer, Alfie Chang.
[15] He made his first league appearance on 18 September in a 3–0 defeat away to Peterborough United, replacing the injured Marc Roberts at half-time with the score 2–0,[16] and established himself as a regular member of the starting eleven.
[21] As he did during his previous loan, he started regularly, and was described in the Birmingham Mail's mid-season assessment as "a classy presence on the right side of the back three", more athletic but less physically dominant than Marc Roberts or Harlee Dean when played centrally.
[27] On 10 January 2025, Sanderson joined Championship club Blackburn Rovers on a loan deal until the end of the season, reuniting with former manager John Eustace for the third time in his career.