Arsenal have made Champions League history with their opening win against Athletic Bilbao.

The Gunners beat their Spanish opponents 2-0 at the Estadio de San Mames on Tuesday night to make it a perfect start to their league phase campaign.

Second half substitutes Gabriel Martinelli and Leandro Trossard proved to be the difference after replacing Eberechi Eze and Viktor Gyokeres respectively.

Just 36 seconds after coming on, Martinelli latched onto a flick from Trossard where he raced clear on goal.

He then proceeded to squeeze the ball under Bilbao goalkeeper Unai Simon in the 72nd minute - scoring Arsenal's fastest ever substitute goal in the Champions League.

And in the 87th minute, Martinelli returned the favour by teeing up the Belgian forward after great work down the byl

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