For all the money spent, for all the attacking talent that Arsenal have recruited this summer, it was two forwards whose future appeared to be elsewhere who earned a hard-fought victory in their opening Champions League group game.

Gabriel Martinelli scored less than a minute after coming on then set up Leandro Trossard as Arsenal won 2-0 at Athletic Bilbao

For all the money spent, for all the attacking talent that Arsenal have recruited this summer, it was two forwards whose future appeared to be elsewhere who earned a hard-fought…