[2] As part of Sale Sharks' Under-18 squad Roebuck played in their undefeated tour of Ireland in 2017, beating both Munster and Leinster development sides.
[3] Roebuck made his debut as a senior Sale Sharks player in the opening match of the inaugural Premiership Rugby Cup on the 26 October 2018, a 35–3 defeat to Worcester Warriors.
[1] He made a handful of appearances for the first team in the 2019–20 season and scored his first senior try for the club in a 17-36 Premiership Rugby Cup victory over Saracens.
During this run of appearances he scored his first try in the European Rugby Champions Cup in a 25–19 defeat to ASM Clermont.
[11] Roebuck started regularly for the club for the remainder of the season and scored a try in Sale's final game against Bristol in a 42-19 win.
[14] In May 2018 Roebuck was called up to the Great Britain Under-18 7s squad for the Youth Olympic Games qualifiers held in Panevezys, Lithuania.
[29] Roebuck started all 4 of England games which were played before the tournament was ended early by the effects of the COVID-19 Pandemic, scoring a try.
[33] Alan Dickens, England Under-20 head coach then named Roebuck as part of the squad for the 2021 Under-20 Six Nations Championship.