Individually, he has been named to the Super League Dream Team on seven occasions, won the Harry Sunderland Trophy twice, and was awarded the 2007 Man of Steel.

He went to Legh Vale Primary School, Haydock and later attended Cowley Language College from 1997 to 2002 then went on to study at the Sixth Form.

Roby's position is hooker and had plenty of experience already, playing alongside some of the greats of the game including Keiron Cunningham.

St Helens reached the 2006 Super League Grand final to be contested against Hull FC, and Roby played from the interchange bench in Saints' 26–4 victory.

As 2006 Super League champions, St Helens faced 2006 NRL Premiers the Brisbane Broncos in the 2007 World Club Challenge.

[11][12] Despite being linked with moves to the NRL,[13] Roby committed his long-term future to St Helens in 2013 by signing a five-year contract with the club.

[14] St Helens reached the 2014 Super League Grand Final, and Roby was selected to play at hooker, putting in a Man-of-the-Match performance to claim the Harry Sunderland Trophy in their 14–6 victory over Wigan at Old Trafford.

[23] Roby played in St Helens 8–4 2020 Super League Grand Final victory over Wigan at the Kingston Communications Stadium in Hull.

[24] On 17 July 2021, he played for St. Helens in their 26–12 2021 Challenge Cup Final victory over Castleford, scoring a second half try.

[28] On 24 September 2022, Roby captained St Helens to a fourth successive Super League title as they defeated Leeds 24–12 in the grand final.

Roby played in St Helens narrow loss against the Catalans Dragons in the semi-final which stopped them reaching a fifth successive grand final.