“I want to continue to work hard and improve for next year.

“I’d like to thank the fans for their support; it means a great deal to me and the players here.”

Richardson is the latest half-back to be unavailable for both senior England sides this autumn. Fellow Knights half Jake Trueman is unavailable with a hand injury, while in Wayne Bennett’s squad, Gareth Widdop and now Luke Gale – who will undergo knee surgery – are out.