[2] Roberts attended Coleg Sir Gâr, where he played for their rugby team, and came through the Scarlets academy.
[10] He suffered another knee injury in the final fixture of the 2021–22 United Rugby Championship, which kept him out until January 2023.
[11] Roberts signed an extension on 19 April 2023, along with fellow centres Eddie James and Ioan Nicholas.
[12] Roberts was selected for Wales U20 for the 2019 Six Nations Under 20s Championship, playing in two matches and scoring a try against France.
[15] Roberts made his debut on 12 August 2023, starting against England in the 2023 Rugby World Cup warm-up matches.