Date of birth
The midfielder arrived on loan from Birmingham City in January 2021 and will remain at the KCOM Stadium until the end of the season.
Coventry-born Crowley spent his youth career with Aston Villa and Arsenal, taking in loan spells with Barnsley, Oxford and Dutch outfit Go Ahead Eagles before signing for Willem II in July 2017.
The attacking midfielder scored six goals in 50 matches across two seasons with the Eredivisie outfit and also had a temporary stint with fellow Dutch club SC Cambuur.
Signing for Birmingham in July 2019, the former England and Republic of Ireland youth international has made 45 appearances for Blues and scored against the Tigers in a 3-3 draw last season.