Career
Lamb started in the subsequent final, as Gloucester defeated his future club, London Irish. He became first choice at Fly-half for Gloucester Rugby as they topped the table during the 2006-2007 Guinness Premiership and 2007-2008 Guinness Premiership seasons. However, they were thwarted in the play-offs in both seasons by the Leicester Tigers.
Gloucester"s continued failures in key games saw Dean Ryan lose faith in Lamb.
Lamb was released by Gloucester at the end of the 2008-2009 season. Lamb signed for London Irish.
During the Guinness Premiership match between London Irish and Sale Sharks on 28 March 2010, Lamb successfully converted a penalty to take his points tally for that competition past the 500-mark. On 24 March 2011 he signed a contract which took him to Northampton Saints for the 2011/12 season.
On 20 February 2013, Lamb would leave Northampton Saints to join Leicester Tigers for the 2013/14 season.
However, on 10 February 2014, Lamb would leave Leicester Tigers after seven months to join with Worcester Warriors with immediate effect, where he will rejoin Director of Rugby Dean Ryan at the Sixways Stadium. He scored the winning conversion as Worcester were promoted back to the Aviva Premiership for the 2015-2016 season, beating Bristol 59-58 on aggregate. In 2006, Lamb represented England at the Institutional Review Board U21 World Championship.
He debuted for the England Saxons on his 21st birthday against the United States of America at the 2007 Churchill Cup.
Lamb was arrested in the early hours of 1 March 2009 outside Subtone, a nightclub in Cheltenham. Lamb has since been charged with assault.
Lamb was later fined for the incident. On 9 May 2010, Lamb was hit in the face with a bottle after an altercation involving fellow London Irish players and supporters of Chelsea Football Club in Clapham.
He was taken to hospital but was not seriously injured.
