Arsenal's biggest weaknesses from Porto defeat — shown in lineup

Arsenal suffered a 1–0 defeat away at Porto in the Champions League Round of 16 first-leg clash on Wednesday.

The Gunners failed to offer anything in attack, registering zero shots on goal across 90+ minutes away from the Emirates.

Defence was also disappointing as William Saliba failed to deliver on a big European night, playing as sloppily as we've ever seen him.

Arsenal will have a chance to turn the tie around next month but Mikel Arteta has his work cut out for him ahead of the return clash on March 12.

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