[3][4] An international debut was missed as the game against Malta was cancelled due to the death of King Bhumibol Adulyadej.
[5] At the start of the 2018 season Ritson moved to Newcastle Thunder on loan where he made 22 appearances scoring 18 tries.
[2] 2019 saw a move to his home town club, Barrow Raiders, where he became a prolific try scorer over the next four seasons, scoring 70 tries in just 73 appearances.
[6] At the end of the 2022 season Ritson made his representative debut as he was selected to play for Cumbria in a World Cup warm-up match against Jamaica.
[7] In November 2022, Super League side, St Helens, signed Ritson on a one-year loan deal.