[4] After progressing through the junior ranks and into the Saracens senior academy, Knight made his initial first-team appearances in the pool stages of the 2021–22 Premiership Rugby Cup, prior to his Premiership debut away to Gloucester in June 2022, at the end of the 2021–22 regular season.
[1] Before the start of the 2022–23 season, Knight was promoted into the Saracens first-team squad on a full-time basis.
[8] Later that year, he made his European Champions Cup debut in a 2023–24 pool stage match against the Bulls,[7] before signing a new two-year contract with Saracens in May 2024.
[9] In December 2024, he was red carded as Saracens suffered their worst ever Premiership defeat losing 68–10 away to Bath.
[5] During the U20s Six Nations, Knight captained England on several occasions, notably on his debut appearance against Scotland U20s,[12] when he scored two tries on the way to a 41–24 victory.