Blame Xhaka all you want for the first move where Barrow beats him with a little dribble .
You also have to admit that Arsenal 's system exposes players in such a way that an error is often catastrophic .
Blame Xhaka all you want for the first move where Barrow beats him with a little dribble but you also have to admit that Arsenal 's system exposes players in such a way that an error is often catastrophic .