What's behind Arsenal's 3-2 loss to Borussia Dortmund?
Borussia Dortmund beat Arsenal 3-2 at the Emirates, exposing defensive problems before the Community Shield while Tzolis and Nwaneri provided positives.

Borussia Dortmund beat Arsenal 3-2 at the Emirates, exposing defensive problems before the Community Shield while Tzolis and Nwaneri provided positives.
Galatasaray have submitted a formal €40m bid for Arsenal winger Gabriel Martinelli. The Gunners are open to a sale following recent squad additions, but value the Brazilian closer to £60m.