Arsenal have travelled to Bergamo to face Atalanta in the Champions League, and several academy stars have made the trip. A number of first-teamers are missing, with Martin Odegaard suffering a long-term injury, whilst defenders Oleksandr Zinchenko, Takehiro Tomiyasu and Kieran Tierney are yet to return. Mikel Arteta has had to bring several youngsters with him to fill up the bench, and Ethan Nwaneri will be hoping to come on as a substitute, following calls to include him in the starting XI. Atalanta will prove a stern test, so Nwaneri may be the only youngster called upon, but the experience…