Arsene Wenger praised Arsenal's "focus" as they beat Borussia Dortmund 2-0 to qualify for the Champions League last 16.
Graeme Souness believes it's not Alexis Sanchez's goals, but his passion which is vital for Arsenal.
Arsenal beat Borussia Dortmund 2-0 at the Emirates to qualify for the knockout phase of the Champions League.
Laurent Koscielny is back in Arsenal's squad after injury, but Arsene Wenger says Jack Wilshere will be out "for a while".
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