Unai Emery has now identified a ‘priority’ signing he wants Aston Villa to execute this summer, one to boost his forward line. Aston Villa’s striker department is fairly healthy right now, with Jhon Duran a very capable backup for Ollie Watkins, even if the England international is among the league’s best. The only issue perhaps, is the constant speculation surrounding Duran’s future, who is regularly linked with a move to Chelsea. Villa may hope that any interest now cools after Enzo Maresca’s appointment in west London, which should see the side change their transfer plans. But either way, w…