Napoli turned in a sensational overall performance to defeat Juventus and earn 10 clean points from their bid for a first Serie A title since 1990.
Juventus had won eight straight games without conceding a goal, but that record ended mercilessly at the Diego Armando Maradona Stadium.
Victor Osimhen scored twice with Khvicha Kvaratskhelia, Amir Rrahmani and Elif Elmas also on the pitch.Ángel di María answered for Juventus, who fell to 1/3 as a result
Osimhen opened the scoring for Napoli and then provided the deflection for Kvaratskhelia to double their lead, but Di Maria hit the lower back before half-time.
Rrahmani restored the hosts' two-goal lead 10 minutes after half-time and from there Luciano Spalletti's side had been rampant.
Georgian star Kvaratskhelia selected Osimhen with an incredible move and the Nigerian striker headed his 12th shot in Serie A this season.
Elmas' deflected effort completed the scoring, as Juventus conceded five dreams in an intra-team game for the first time since May 1993.
Massimiliano Allegri's side had only won seven in the top flight this season and sat third, level on points with second-placed AC Milan.
But this made for a breathless Napoli spectacle, one that underscores the hosts' credentials for a Serie A first name considering the fact