Arsenal were lucky - they must now learn from Porto’s exhibition in gamesmanship

Bring your energy, bring your noise - and bring your best for the penalty shoot-out too please, . It was , rather than the instinctiveness and electricity of their attacking play, that saved ’s side here. Porto set out to frustrate and they succeeded: a grand, final act from dragged Porto into extra time and to a shoot-out. But survived. On the balance of play, it was the team that probably has a chance of winning the that scraped through, but Arsenal will have to be a lot better, and more importantly smarter,