AC Milan had Alessio Romagnoli sent off as they suffered a 1-0 Serie A defeat at struggling Genoa.
Napoli ensured Juventus' miserable start to the Serie A season continued as they held on for a 2-1 victory at San Paolo Stadium.
Roma returned to winning ways in Serie A with a 5-1 home thrashing of Carpi.
A last-gasp equaliser from Leonardo Blanchard denied Juventus victory and earned Frosinone a historic first point in Serie A on Wednesday.
Serie A leaders Inter Milan edged Hellas Verona 1-0 for their fifth win in as many games on Wednesday.
A late own goal from Roma defender Kostas Manolas gave Sampdoria a 2-1 victory in Genoa on Wednesday evening.
Mario Balotelli scored his first goal for AC Milan since returning to the club as the Rossoneri edged Udinese 3-2 on Tuesday.
Gonzalo Higuain scored twice as Napoli ran riot against Lazio to clinch their first Serie A win of the season with a resounding 5-0 scoreline on Sunday evening.
Juventus picked up their first Serie A victory of the season with a 2-0 triumph at 10-man Genoa on Sunday afternoon.
Roma twice came from behind to snatch a point with a 2-2 draw against Sassuolo in an entertaining match at the Stadio Olimpico on Sunday.
Mauro Icardi's first-half strike proved enough for Inter Milan to maintain their 100 per cent start to the new Serie A season with a 1-0 win over Chievo in Verona.
Two goals from Carlos Bacca helped AC Milan recover from their derby defeat to Inter with a 3-2 Serie A victory over Palermo at San Siro.
A second-half goal from Fredy Guarin saw Inter Milan edge city rivals AC Milan on Sunday evening to pick up a third consecutive win and go clear at the top of Serie A.
Summer signing Paulo Dybala netted a late penalty to earn Juventus a 1-1 draw against Chievo as the Serie A champions' poor start to the season continued.
The first ever derby clash between Frosinone and Roma went the way of the established Serie A giants as the Giallorossi emerged 2-0 winners at the Stadio Matusa.
Brazil international Hernanes completed a move from Inter Milan to Juventus just before the transfer deadline on Monday evening.
Marseille midfielder Mario Lemina has joined Italian champions Juventus on a season-long loan with Mauricio Isla and Paolo De Ceglie heading in the opposite direction.
Inter Milan have announced the captures of Felipe Melo, Adem Ljajic and Alex Telles just minutes before the Italian transfer window closed on Monday.
Stevan Jovetic's late penalty handed Inter Milan a 2-1 win at newly-promoted Carpi on Sunday evening.
Torino struck three times in the space of 10 minutes to clinch a 3-1 come-from-behind victory over Fiorentina in Turin.
Napoli's winless run continued as the azzurri threw away a 2-0 lead to settle for a point against Sampdoria on Sunday evening.
Chievo produced a convincing performance at home and beat Lazio to pick up their second win of the season.
Juventus had two men sent off as their dismal start to the Serie A season continued at Roma.
Mario Balotelli watched on as goals from fellow forwards Carlos Bacca and Luiz Adriano earned AC Milan their first win of the new Serie A season - 2-1 against Empoli.
Juventus have completed the signing of Chelsea's Juan Cuadrado on a season-long loan.
AC Milan have confirmed that Liverpool striker Mario Balotelli has passed his medical ahead of his proposed return to the club on a season-long loan.
Paulo Sousa enjoyed a dream Serie A coaching debut by guiding Fiorentina to a 2-0 win over 10-man AC Milan on Sunday evening in Florence.
On-loan Manchester City forward Stevan Jovetic struck at the death to hand Inter Milan a 1-0 victory over 10-man Atalanta in their Serie A opener at the San Siro.
Defending champions Juventus suffered a shock 1-0 home defeat to Udinese in their Serie A opener on Sunday.
Lazio got their season off to a winning start with a 2-1 victory over Bologna.
Napoli stayed one point ahead of Juventus at the top of Serie A on Sunday after both teams won their ninth league games in a row, this time beating SPAL and Torino 1-0 respectively.
Juventus climbed above Napoli with a 1-0 victory at Torino that maintains their pursuit of the Serie A title.
Inter Milan dropped to fourth place in Serie A after falling 2-0 at Genoa on Saturday.
Roma moved up to third in the Serie A table as second-half goals from Cengiz Under and Diego Perotti helped them to a 2-0 win at Udinese.
Yann Karamoh's first goal for Inter Milan settled their fraught 2-1 victory over nine-man Bologna at San Siro.
Napoli came from behind to produce a stunning 4-1 victory against Lazio to storm back to the top of the Serie A table.
Patrick Cutrone scored twice as AC Milan won 4-0 at SPAL to keep up their recent good form.
Juventus defeated Fiorentina 2-0 in Gianluigi Buffon's 500th league match for the club to leapfrog Napoli at the top of Serie A.
Diego Laxalt snatched a last-gasp victory for Genoa as Lazio fell further away from the title race with a 2-1 defeat at the Stadio Olimpico.
Gonzalo Higuain scored a hat trick as Juventus romped to a 7-0 Serie A demolition of sorry Sassuolo at the Allianz Stadium.
Cengiz Under's stunning early strike was enough for 10-man Roma to grind out a much-needed 1-0 win at Hellas Verona.
Inter Milan's winless streak in Serie A will stretch beyond two months after they drew with visiting Crotone 1-1 on Saturday.
AC Milan drew 0-0 at home to Lazio in the first leg of their Coppa Italia semifinal on Wednesday and could be left counting the cost of an embarrassing miss by Hakan Calhanoglu.
Gonzalo Higuain and Gianluigi Buffon combined to help Juventus beat Atalanta 1-0 for a crucial away victory in the first leg of their Coppa Italia semifinal on Tuesday.
Giacomo Bonaventura scored the winner as in-form AC Milan recorded a third successive Serie A victory by beating high-flying Lazio 2-1.
A brace from Dries Mertens took Napoli straight back to the top of Serie A with a 3-1 win over Bologna on Sunday while Inter Milan conceded a last-minute goal at SPAL to extend their winless run to nine games.
Inter Milan's Serie A woes continued with Sunday's 1-1 draw at lowly SPAL stretching their winless run to seven matches.
Juventus climbed back back to the Serie A summit but made heavy weather of beating a Chievo side reduced to nine men.
Free-scoring Lazio produced another impressive attacking display to brush aside Udinese 3-0 on Wednesday and close the gap on Serie A leading pair Napoli and Juventus.
Douglas Costa scored the only goal as Juventus closed to within a point of Serie A leaders Napoli following a workmanlike 1-0 victory over Genoa.
Matias Velcino's header four minutes from time earned Inter Milan a deserved 1-1 draw against Roma at Stadio Giuseppe Meazza.
Napoli avenged their Coppa Italia defeat to Atalanta with a 1-0 victory in Bergamo.
Juventus remained within a point of Serie A leaders Napoli ahead of the winter break as Federico Bernardeschi's second-half strike secured a 1-0 win at Cagliari.
AC Milan defender Leonardo Bonucci scored his first goal for the club in a 1-0 win over Crotone -- although the Italy international knew little about it.
Giovanni Simeone scored a dramatic stoppage-time equaliser as Fiorentina fought back to draw 1-1 against Inter Milan at the Stadio Franchi.
Three-time defending champion Juventus beat city rival Torino 2-0 to reach the Coppa Italia semifinals on Wednesday.
Medhi Benatia's first-half strike was enough as Juventus beat Roma 1-0 in Serie A to move within a point of leaders Napoli.
Marek Hamsik became the top scorer in Napoli's history, breaking Diego Maradona's long-standing club record with the winner in a 3-2 victory over Sampdoria on Saturday that extended their lead in Serie A to four points.
Inter Milan lost ground on Serie A league leaders Napoli ahead of the winter break as they lost 1-0 to Sassuolo.
AC Milan were booed off the pitch after falling to a second successive defeat, this time a 2-0 at home to Atalanta.