Arsenal have been bolstered by the return of injured defender Riccardo Calafiori and midfielder Ethan Nwaneri, manager Mikel Arteta said, as they get ready to resume their Champions League campaign against Dinamo Zagreb on Wednesday.
Third-placed Arsenal have won four of their six European matches, with one loss and a draw. However, it has been a tough start to the year for the injury-hit Gunners, with just one win in
