 It was announced in May 2009, that Gargan would be leaving Brighton after the expiration of his contract at the end of June 2009.Gargan was signed by Sutton United manager Paul Doswell in the summer of 2009, along with his former colleague Sonny Cobbs.Gargan established himself as a first team regular, often playing as the sole target man following the departure of Sutton striker Stefan Payne to Fulham.