In May 2012, he was released by the club, along with 12 other players.
At the end of the 2012-13 season, Simpson was released by the club along with 4 other players.
He was released along with four other players on 15 January.
He was released by the club, along with 10 other players at the end of the 2009-10 season.
On 27 January 2012, he signed for the rest of the season, along with four players.
He left after the 2005 season along with three other players citing a desire for more playing time.
He was released from his contract in June 2007, along with seven other players.
He was then promoted to the first team along with 15 other players in January 2011.
He was released by the club along with seven other players in May 2010.
He was recalled again, but sent back down on October 10, along with four other players.