It means Arteta must get creative once again and, essentially, turn to his fifth option to lead the line. Ethan Nwaneri and Raheem Sterling can play as a striker but, on the evidence of Sunday, Martinelli should get the nod.

Mikel Arteta's Arsenal responded to setbacks big and small in their 2-2 comeback draw with Liverpool at Anfield on Sunday.

Mikel Arteta has said Arsenal started this season aware they were "super short" in squad depth and possessed several players at risk of injury but "couldn't do anything about it."