In 2017 he made his Widnes début in the Challenge cup against the Warrington Wolves (his hometown club).
A brief loan period at Oldham was the only interruption to Roby's career with the Vikings during which he made 52 appearances, scoring 23 tries and kicking 3 goals.
At the end of the 2022 season, Roby was released by Widnes but signed a two-year deal with Keighley soon after.
[3][4] Recovery from an anterior cruciate ligament injury suffered in June 2022 forced Roby to miss the start of the 2023 season and his Keighley debut did not come until the round eight match against York Knights on 7 April.
[5] On 24 July 2024 it was reported that he had signed for the North Wales Crusaders in RFL League 1.