Maurizio Sarri's high-pressing Serie A side had the better of possession early, but Man City were able to soak up the pressure and play the ball out of the back and hit Napoli on the counter-attack, making for an entertaining opening 20 minutes in which neither team fashioned any real chances.
City, though, were not to be outdone and re-took the lead in the 69 minute when a solo run from Sergio Aguero saw him dribble his way into the box before firing into the roof of the net, 3-2.
City boss Pep Guardiola made four changes to the team that started against West Bromwich Albion in the league at the weekend.
Microsoft is officially discontinuing Kinect
Almost seven years after its first release, Microsoft has announced that production of the Kinect has ended, reports Fast Co . Although Microsoft provided improved hardware in new the version of Kinect , yet it didn't receive much love from gamers.
He is flanked by Sane, who is yet to score in the Champions League, and Raheem Sterling.
Five minutes into the second half Stones did find the back of the net for City when he met a corner-kick with a powerful header that beat the Napoli keeper, 2-1.
City overcame Napoli 2-1 in the reverse fixture at the Etihad Stadium, but it was a tough game and the sequel, in Naples, promises to be even more challenging for Pep Guardiola's men.