AC Milan got their first win under manager Gennaro Gattuso with a 3-0 victory over Hellas Verona in Coppa Italia.
Inter Milan remain in top spot in Serie A after holding Juventus to a goalless draw in Turin.
Ivan Perisic scored a hat-trick as Inter moved top of the table with a 5-0 win over Chievo.
Mauro Icardi scored twice as Inter Milan moved to the top of Serie A with a hard-fought 3-1 victory against a resurgent Cagliari.
Massimiliano Allegri's decision to rest two key players backfired as Juventus lost 3-2 at Sampdoria.
Second-half goals from Gonzalo Higuain and Juan Cuadrado meant Juventus came from behind to inflict a 12th straight Serie A defeat on struggling Benevento.
Gaston Ramirez and Fabio Quagliarella scored as Sampdoria secured a 2-0 win at Genoa in the Derby della Lanterna on Saturday.
Unbeaten Napoli moved three points clear at the top of Serie A with a 3-1 win against Sassuolo at Stadio San Paolo.
AC Milan and Juventus swept to comfortable victories on a night in Serie A that will be remembered for off-pitch reasons.
Napoli's perfect start to the Serie A season was ended by a 0-0 draw against second-placed Inter Milan at the Stadio San Paolo.
Sampdoria came from behind to record a 3-1 victory over Atalanta at the Stadio Luigi Ferraris on Sunday.
Udinese ended Sampdoria's unbeaten Serie A start with a 4-0 victory at Friuli, where midfielder Edgar Barreto was sent off.
Former QPR midfielder Adel Taarabt received a straight red card as nine-man Genoa lost 1-0 to Inter Milan.
Suso spared AC Milan from the prospect of a frustrating home draw with Cagliari by whipping in a match-winning free-kick at San Siro.
Newcastle are closely monitoring Sampdoria midfielder Dennis Praet after sending scouts to watch him in action.
The latest from the European newspapers, including reports Julian Draxler wants to leave Paris Saint-Germain.
Big-spending AC Milan brush aside Crotone, Roma start with victory and Inter Milan cruise past Fiorentina. Here's the Serie A round-up...
All the latest transfer news from around Europe as Spurs reportedly agree a deal for PSG defender Serge Aurier.
Juan Mata scored the winner as Man Utd's pre-season ended with an encouraging 2-1 victory over Sampdoria in Dublin.
Relive the action in Dublin where Manchester United ended the pre-season preparations with a 2-1 victory over Sampdoria.
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