 The agreement opened up opportunities for a development pathway for ACT talent to the A-League while the Mariners gained a foothold within the ACT footballing community.The agreement lasted five years with annual matches played between 2007 and 2011, starting with a 4–0 victory to the visiting Mariners on 30 June 2007.10 April 2015, Belconnen United announced they had formed a formal relationship with A-League heavyweights Sydney FC.