Arsenal have had several injury issues over the last two seasons. On Wednesday night in Dublin, during the Gunners’ 3-1 defeat to Real Betis, young Louie Copley was brought on as a substitute, just like he was against Girona last weekend. If you were Mikel Arteta, what would you tell Arsenal’s players after the 3-1 defeat to Real Betis? Credit: Getty Images/Charles McQuillanMikel Arteta confirms Louie Copley’s injury does not look goodCopley is one of Arsenal’s most impressive young players. Against Girona, Copley really impressed after coming on, and the youngster did the same in the few minutes he was on the pitch against Real Betis on Wednesday night.