Carruthers came on as a substitute on 76 minutes in a 2–2 draw away to Premier League team Fulham on 6 January 2008. By February 2008, he had been dislodged at left-back by Joe Jacobson, although he made a return to the team for a 2–0 home victory over Cheltenham Town after Jacobson was unavailable for selection. He made one more appearance before the end of 2007–08, a 1–1 draw at home to Northampton on 12 March 2008, finishing the season with 24 appearances. He was released by the club in May 2008.