Midfielder David Fox became Paul Lambert's fourth signing of the 2010 pre-season when he signed for Norwich from Colchester on 4th June 2010 for an undisclosed fee. he signed a two year contract.

The son of former professional Peter Fox, David came through the youth ranks at Exeter City before swapping St James's Park for Old Trafford shortly after the departure of his father Peter as Grecians boss nine years ago.

Fox signed a professional contract with Manchester United on 13th December 2000 (his 17th birthday). After loan spells in 2002-03 and 2003-04 with Royal Antwerp (Man Utd's feeder side in belgium), he was loaned to League Two side Shrewsbury Town in October 2004. He made his professional debut in a 1–0 home defeat to Rushden & Diamonds, then scored a goal in his second game, a 4-1 defeat at Leyton Orient.

After captaining Man Utd's reserve side and winning England Under-20 caps, he signed for Blackpool on a free transfer in January 2006. He scored his first goal for the Seasiders on 4th February 2006, in a 2-2 draw against Nottingham Forest at Bloomfield Road. On 9thJune 2009, Fox was one of eight Blackpool players released by new manager Ian Holloway. He joined Colchester United on 1st July 2009

Fox made his league debut for Colchester on 8th August, 2009, in their 7–1 away victory over Norwich City, in which he scored a fine free-kick. He made 18 appearances for Colchester, scoring three times, but fell out of favour with manager Aidy Boothroyd.

David made his City debut in the 3-2 home defeat to Watford on 6th August 2010

Norwich won promotion to the Premiership, on 2nd May 2011 with a 1-0 win at Portsmouth with Fox providing the pass to Simeon Jackson for the only goal of the game.