 Roby played for St Helens from the interchange bench in their 2006 Challenge Cup Final victory against Huddersfield.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.