Date of birth
Jack joined the club’s youth set-up at the age of 7, from his hometown club Whitstable Town. He made his début for the Gills, as a 17-year-old, in the 1-0 home defeat by Portsmouth in 2017. The defender, who scored his first goal in the 3-1 victory over Ipswich Town in March 2021, went into 2021-22 with 84 league appearances under his belt. Jack, who has had loan spells with Greenwich Borough and Hastings United, was named the club’s Young Player of the Season in 2020-21, winning the award for the second successive season.