Aston Villa have completed a major signing, with Japanese midfielder Tomoki Iwata set to join the club in the upcoming January transfer window. The 26-year-old, currently with Birmingham City, has agreed to a deal worth €10 million. Iwata, known for his dynamic playing style and strong defensive presence, has impressed throughout his time in the Championship, and Villa’s new acquisition will add depth to their midfield as they look to strengthen ahead of the second half of the season. The deal is expected to be finalized once the transfer window opens in January, and Iwata is set to undergo medicals…