Unai Emery has assembled an incredible Aston Villa squad with at least two players of real quality in almost every position. Given Aston Villa will compete in the Champions League, it is essential for Unai Emery to have the depth to compete on all fronts and he will believe he now has that after a busy transfer window. One of the sagas of the summer revolved around the future of 20-year-old Jhon Duran, with the Colombian’s head initially turned by interest from Chelsea in January. Duran’s behaviour was very unprofessional throughout the summer as an exit looked a foregone conclusion but after …