Career
Foster started his career as a youth player at Tottenham Hotspur and joined Dagenham & Redbridge in 2004. He is a former England under-18 player. At the end of the 2008-2009 season, he signed for Brentford, along with Dagenham team-mates Ben Strevens and Sam Saunders.
At the end of the 2009-2010, he and former Dagenham team mate Ben Strevens joined League Two club, Wycombe Wanderers.