Beneath the floodlights of the Stadio Diego Armando Maradona, two recently crowned domestic champions meet to open their European campaigns — Arsenal, fresh from ending a 22-year Premier League drought and reaching last season's Champions League final, and Napoli, seeking to prove their continental stumble was a passing shadow rather than a settling condition. The encounter distills a familiar tension in football: the weight of expectation carried by the favored against the hunger of those with something still to reclaim. What unfolds in Naples on Wednesday will not decide the group, but it wi