Aston Villa shot stopper Emiliano Martinez has been named one of the best signings of the current season by footballer turned pundit Matthew Upson. Matthew Upson gave the verdict on Emiliano Martinez last week while he was on Sky Sports. The ex-Ipswich Town, West Ham United and Arsenal defender has been impressed with Argentine international goalkeeper since he left his former club Arsenal to join Aston Villa last summer. Aston Villa paid an initial fee of £16m for Emiliano Martinez and the fee could rise to £20m depending on add-ons. Emiliano Martinez had to leave Arsenal for Aston Villa last