Inter Milan returned to the top of Serie A with a comfortable 4-0 home win over Frosinone on Sunday evening.
Fiorentina claimed a handsome 4-1 victory over Frosinone at the Stadio Artemio Franchi to move top of Serie A.
Nicola Sansone's free-kick earned Sassuolo an historic 1-0 win over 10-man Juventus on Wednesday at the Mapei stadium.
Juventus captain Gianluigi Buffon has criticised his side's display in their 1-0 loss to Sassuolo on Wednesday night.
Gonzalo Higuain's goal saw Napoli beat Serie A leaders Fiorentina 2-1, while Lazio were beaten 2-1 by Sassuolo.
Red-hot Fiorentina replaced Inter Milan as Serie A leaders by cruising to a 3-0 home victory over Atalanta on Sunday.
Fiorentina ended Inter Milan's perfect record in stunning style while AC Milan were beaten and Lazio moved up to fourth.
Juventus could only draw 1-1 at home to Frosinone in Serie A on Wednesday, as leaders Inter Milan beat Hellas Verona 1-0.
A Gonzalo Higuain-inspired Napoli ran riot against Lazio while there were also wins for Inter Milan and Fiorentina.
Mario Balotelli hit the post as AC Milan lost 1-0 to leaders Inter in Serie A on Sunday, while Torino remain unbeaten.
Mario Balotelli watched on as AC Milan saw off Empoli 2-1 in Serie A on Saturday, while Sassuolo won 1-0 at Bologna.
Serie A champions Juventus saw their 47-match unbeaten home league record come to an end against Udinese.
Simone Zaza struck twice as Sassuolo beat 10-man Genoa 3-1 on Sunday to finish their Serie A campaign on a high.
Fiorentina qualified for the Europa League while Stephan El Shaarawy scored his first goal in seven months for AC Milan.
Liverpool give U21s more game time than Premier League rivals but top flight lags behind Europe.
Sassuolo defeated 10-man Udinese 1-0 on Sunday afternoon to continue their strong finish to the season.
Domenico Berardi's hat-trick fired Sassuolo to a 3-2 victory over nine-man AC Milan on Sunday afternoon.
Napoli's hopes of Champions League qualification suffered a setback as they drew 2-2 at rock-bottom Parma in Serie A on Sunday.
Cesena's relegation from Serie A was confirmed as they let a two-goal lead slip to lose 3-2 at home to Sassuolo.
Sassuolo and Palermo shared the spoils in a 0-0 draw on Saturday evening.