Video: Marseille 1-2 Arsenal
Arsenal secured a valuable three points away from home to get their tricky Champions League group off to the best possible start.
The Gunners took the lead through an uncharacteristically cool Theo Walcott finish. The England international volleyed the ball into the far corner as it dropped out of the sky following an attempted clearance.
Aaron Ramsey then continued his excellent goalscoring run with a low effort from the edge of the box.
The Welshman blotted his copybook slightly by conceding a late penalty, but Jordan Ayew’s spot-kick had no impact on the result.