For City, they have been in ruthless form in front of goal so far, in their 10 combined appearances in Europe and the league, City have already found the net 35 times, scoring 17 in the last three appearances at the Etihad.
"Today we won against an incredible team". De Bruyne hammered a volley onto the underside of the crossbar in the 26th minute - seeing it land on the wrong side of the goal line - before Jesus' effort on the turn was blocked on the line by Koulibaly and cleared, with replays showing the ball did not go all the way over.
Ajax employed variants of the system from the early 20th century, while the Austrian "Wunderteam" of the 1930s is accepted to be the first national team to play it.More news: Watch the Orionid Meteor Shower Peak This Weekend
Pep Guardiola's side head into the match at the top of Group F with two wins out of two, keeping clean sheets in matches agains Feyenoord and Shakthar Donetsk. "It's one of the wins I'm most proud of in my whole career". And Guardiola believes they have the quality to break Juventus's six-year strangehold on the Italian title.
De Bruyne also played down all the praise he has received this season, adding: I don't care [about plaudits].More news: Seven killed, 22 injured in roadside blast in Quetta
"I think tonight was a great test to see where we were really at after a good run of hard games". We scored the two goals.
Speaking to Radio CRC in Italy, Patrick De Koster said: "In the coming months I'll meet with City to figure out how to improve and extend his contract".
However, Napoli could not muster another goal as City saw the game out to take another three Champions League points.More news: Giant Ford F-Series Truck Recall to Cost $267 Million