The Gunners have endured a disastrous start to their European campaign .
The Gunners have the unenviable task of picking up positive results from back - to - back games against the German champion if they are to resurrect their hopes of a place in the knockout stages .
The Gunners have endured a disastrous start to their European campaign and have the unenviable task of picking up positive results from back - to - back games against the German champion if they are to resurrect their hopes of a place in the knockout stages .