Unai Emery could safeguard the Aston Villa goalkeeper position for years to come with a decision on Joe Gauci this summer. Joe Gauci joined Aston Villa from Adelaide United in February, with the 24-year-old outgrowing the A-League with his impressive performances. A highly-rated goalkeeper who already has three senior Australia appearances to his name, Gauci has been a feature of pre-season. Much of this owes to the fact that undisputed number one Emi Martinez was busy winning Copa America with Argentina and has only just returned to Bodymoor Heath. However, Gauci has seen the goalkeeper minut…