Damien was with Manchester United as a youngster, before featuring for Stockport County where he made 57 league appearances. Spent time on loan to Royal Antwerp in Belgium and then joined Morecambe in August 2007. Moves to Halifax, Bury and Colwyn Bay followed, before signing for City in November 2011. He was appointed first team coach at the start of the 2015-16 season, and Assistant Manager for the 2016/17 Dafabet WPL season. Allen made 30 appearances last season with a return of 5 goals.