The January transfer window is just around the corner and Unai Emery could be looking to strengthen his Aston Villa squad. Aston Villa were incredibly active during the summer as Emery signed seven new players, most notably a £50 million transfer for Amadou Onana after selling Douglas Luiz to Juventus. Onana has played a pivotal role for Villa in the early stages of this campaign, becoming a force to be reckoned with in the middle of the park. Whilst the 23-year-old has been a success, there is one area that Emery didn’t strengthen in the last window, as Villa failed in a last-ditch attempt to…