Date of birth
Midfielder Jack joined Reds in June 2019 on a two-year contract from Maidstone United.
The 25-year-old made 31 appearances in the National League, scoring four goals. He had joined Maidstone from Kent rivals Ebbsfleet United where he played 56 games in the National League and scored 21 goals.
Jack began his career in the Academy set-up at West Ham United before joining Millwall. He signed his first professional contract in 2013 and made seven appearances for the Lions between 2014-15.