Click here for the stats from the game with our brilliant Match Zone service Seventy-three seconds was all it took Yaya Sanogo. Well, 18 months, 19 appearances and 73 seconds, but when his first Arsenal goal finally arrived, it was wonderfully timed. It was a strike to puncture the pressure and soothe the nerves. Sanogo was engulfed by supporters and team-mates, while Arsene Wenger punched the air. A striker who had forgotten the way to goal had found the net at a most crucial moment, before the result was put beyond doubt by Alexis Sanchez, a striker who seemingly cannot miss.
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Arsenal qualify for Champions League last 16 with 2-0 win against Borussia Dortmund
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Yaya Sanogo scores first competitive goal for Arsenal to put Arsene Wenger's side ahead
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French youngster looked to be in an offside position for his second-minute strike
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Alexis Sanchez doubles Arsenal's lead with curling effort in 57th minute
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Sanchez curls his 57th minute strike between two @placeholder defenders to double his side's lead
@placeholder (right) wheels away in celebration of his second minute striker against Dortmund on Wednesday night