Injuries and suspensions have already caused huge problems for Arsenal so far this season. Mikel Arteta has seen his plans for this campaign so far persistently thrown into turmoil, as injuries and bans have piled up at Arsenal in recent weeks. Martin Odegaard remains injured, whilst Bukayo Saka missed Saturday’s defeat at the hands of Bournemouth and remains a doubt heading into this evening’s Champions League clash against Shakhtar Donetsk. On top of that, Jurrien Timber is still struggling for fitness, and the Gunners will be without William Saliba against Liverpool on Sunday, as the French…