Date of birth
Thomas signed for the Clarets on a two-year scholarship in July 2017.
The former Everton and Crewe centre-back featured more as a squad player in his first season with Burnley, before becoming a regular and a leader for the Under-18s in his second season at Turf Moor.
After being promoted to the U23 ranks in January, 2019, Thomas went on to become a mainstay of Steve Stone's side for the remainder of the season.
The towering teenager was rewarded with a first professional contract at the end of the season - signing a two-year deal - and was named as the Clarets' Young Player of the Year season.