Arsenal have convinced Hale End sensation Ethan Nwaneri to commit his future to the club, and he is now set to sign a long-term contract. The teenager, who turned 17 this week, was the subject of interest from Manchester City and Chelsea in the summer, but Arsenal managed to fight off these rival clubs in order to convince him to stay. Nwaneri became the youngest player to ever appear in the Premier League in a substitute appearance against Brentford last season when he was just 15 years old, and he has since thrived for the academy sides. Now he is 17, he is eligible to sign professional term…