AC Milan needed a late Andre Silva goal to snatch a 3-2 win at home to lowly Chievo Verona.
Mauro Icardi was in inspiring form against former club Sampdoria with four of his side's goals as Inter Milan claimed a comfortable 5-0 Serie A victory at Stadio Luigi Ferraris.
Juventus missed the chance to go seven points clear at the top of Serie A after being held to a 0-0 draw at struggling SPAL.
Juventus beat visiting Atalanta 2-0 on Wednesday to open up a four-point lead over Napoli that could prove decisive in pursuit of an unprecedented seventh straight Serie A title.
Napoli ceded control of the Serie A title race to reigning champions Juventus after failing to beat Inter Milan at San Siro.
AC Milan bounced back from their Europa League defeat to Arsenal as substitute Andre Silva fired the Rossoneri to a 1-0 success at Genoa with practically the last kick of the game.
Juventus returned to first place -- at least until Inter Milan host Napoli later on Sunday -- thanks to their 2-0 home victory against Udinese.
Daniele De Rossi was among the goalscorers as Roma recorded a 3-0 win over Torino on Friday night, the day after the funeral for Davide Astori.
Edin Dzeko scored twice as Roma dealt a major blow to Napoli's hopes of winning the Serie A title with a 4-2 victory at Stadio San Paolo.
Paulo Dybala's last-gasp goal avenged Juventus' October defeat to Lazio as the reigning Serie A champions won 1-0 at the Stadio Olimpico.
AC Milan's unbeaten streak in all competitions reached 13 matches with a 5-4 penalty shootout victory over Lazio on Wednesday to advance to the Coppa Italia final against Juventus.
Miralem Pjanic scored a controversial penalty as Juventus beat visiting Atalanta 1-0 Wednesday to reach the Italian Cup final.
Leaders Napoli sent their Serie A winning streak into double figures with an emphatic 5-0 success at Cagliari.
AC Milan's good form continued as Gennaro Gattuso's men defeated Roma 2-0 at the Stadio Olimpico.
Juventus' Serie A match against Atalanta was called off on Sunday due to heavy snowfall in Turin.
Two goals in three second-half minutes helped Inter Milan to a 2-0 victory at home to Benevento and moved them up to third in the Serie A table -- despite jeers from their own fans.
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.
AC Milan forward Gonzalo Higuain missed a penalty and was later sent off in a fit of rage on Sunday as his side lost 2-0 at home to Serie A leaders Juventus, the side that sent him out on loan to the San Siro this season.
AS Roma forward Stephan El Shaarawy scored twice in the second half to help his side thump Sampdoria 4-1 on Sunday in a Serie A game which saw two penalties revoked -- one for each side -- following VAR reviews.
Inter Milan's run of seven successive league wins was abruptly ended on Sunday when they were crushed 4-1 at Atalanta in rain-sodden conditions.
Napoli splashed their way to a 2-1 win at Genoa in Serie A on Saturday, defying a pitch made almost unplayable by a torrential downpour early in the second half.
AC Milan's Alessio Romagnoli scored a stoppage-time winner for the second time in five days as they dramatically beat Udinese 1-0 away on Sunday.
Paulo Dybala scored after 44 seconds for Juventus but they were made to struggle in a 3-1 win over a brave Cagliari team as they stayed six points clear in Serie A on Saturday.
AS Roma grabbed a late draw at Fiorentina in Serie A on Saturday when Alessandro Florenzi's equaliser cancelled out a contentious first-half penalty converted by Jordan Veretout.
Inter Milan notched their seventh successive Serie A victory when two goals from Roberto Gagliardini helped them thump mid-table Genoa 5-0 at San Siro on Saturday.
Napoli forward Dries Mertens scored a hat-trick to lead his side to a 5-1 rout of Empoli in Serie A on Friday, moving them back into second place in the standings.
AC Milan defender Alessio Romagnoli put through his own net and scored a freakish stoppage-time goal in a dramatic 2-1 win over Genoa in Serie A on Wednesday.
Inter Milan captain Mauro Icardi scored twice as they beat Lazio 3-0 away on Monday with an impressive all-round performance to claim their sixth Serie A win in a row.
Napoli substitute Dries Mertens scored a last-minute goal to salvage a 1-1 draw against AS Roma in Serie A on Sunday although they slipped further off the title pace as their 100 percent home record ended.
AC Milan lifted the pressure on beleaguered coach Gennaro Gattuso when a second-half strike by Suso gave them a 3-2 win over Sampdoria in a see-saw Serie A match on Sunday.
Cristiano Ronaldo scored twice, the first a penalty and the second a booming long-range shot, to give Juventus a 2-1 win at Empoli on Saturday after their lowly Serie A opponents took a shock first-half lead.
Inter Milan forward Mauro Icardi scored with a stoppage-time header to give his side a 1-0 win over neighbours AC Milan in their derby at San Siro on Sunday.
Fabian Ruiz and Marko Rog came off the bench to score around Dries MertensвЂ™ penalty, as Napoli dominated Udinese 3-0 and moved to within four points of Juventus.
Cristiano Ronaldo became the first player to score 400 goals in Europe's top five leagues as Juventus dropped points for the first time this season following a 1-1 Serie A draw with Genoa on Saturday.
Napoli forward Lorenzo Insigne scored his seventh goal of the campaign in a 2-0 victory over Sassuolo at the San Paolo.
Argentina forward Gonzalo Higuain scored twice as AC Milan secured a 3-1 victory over bottom side Chievo.
Genoa forward Krzysztof Piatek maintained his record of scoring in every Serie A match for his new club on Sunday although it was not enough to prevent them losing 3-1 at home to Parma.
Edin Dzeko continued his upturn in form as Roma made it four straight wins in all competitions to move third in Serie A with a 2-0 win over Empoli.
Unstoppable Juventus maintained their perfect start to the season after 10 matches when first-half goals from Rodrigo Bentancur and Cristiano Ronaldo gave them a 2-0 win at Udinese in Serie A on Saturday.
AC Milan made surprisingly light work of surprise squad Sassuolo -- who would have gone second with a win -- as they won 4-1 away to end a run of three successive draws.
Fiorentina beat Atalanta 2-0 in Serie A on Sunday having opened the scoring with disputed penalty that sparked an angry clash between coaches Stefano Pioli and Gian Piero Gasperini at the final whistle.
Cristiano Ronaldo played a part in all three goals as Juventus came from behind to defeat title rivals Napoli on Saturday.
Roma defender Federico Fazio went from villain to hero as his side continued their recent dominance over neighbours Lazio with a 3-1 win in a pulsating Derby della Capitale on Saturday.
AC Milan were foiled by heroic goalkeeping from Empoli's Pietro Terracciano as they were held 1-1 by the promoted side on Thursday, their third successive Serie A draw.
Paulo Dybala has been somewhat obscured by Cristiano Ronaldo's arrival at Juventus but the Argentine broke his goal scoring drought on Wednesday.
AS Roma ended a five-match winless run in all competitions by thumping Frosinone 4-0 with Cengiz Under, Javier Pastore, Stephan El Shaarawy and Aleksandar Kolarov sharing the goals.
Inter Milan overcame one of their notorious lapses to beat Fiorentina 2-1 in Serie A and notch their third win in a week on Tuesday, suggesting early-season troubles may be behind them.