Juan Cuadrado's first-half thunderbolt fired Juventus to a 1-0 Derby d'Italia victory over Inter Milan in Turin.
Injury-hit AC Milan were plunged further into crisis by a surprise 1-0 defeat at home to Sampdoria in Serie A on Sunday.
Dries Mertens and Marek Hamsik each scored hat tricks as Napoli extended their unbeaten streak to 17 matches in all competitions with a 7-1 rout at Bologna in Serie A on Saturday.
Francesco Totti converted a penalty deep into stoppage time to send Roma through to the Coppa Italia semifinal against city rival Lazio with a narrow 2-1 win over second-division Cesena on Wednesday.
Lazio defeated Inter Milan 2-1 in the Coppa Italia quarterfinals on Tuesday as both sides finished with 10 men.
Gonzalo Higuain reached 15 goals for the Serie A season as Juventus reinforced their position as league leaders with a 2-0 victory at Sassuolo.
Roma's four-game winning run came to a halt as Luis Muriel settled a five-goal thriller in Samp's favour.
AC Milan's misery continued at Udinese as their dreams of qualifying for the Champions League diminished on Sunday.
In-form Inter Milan moved up to fourth place with a 3-0 success at home to bottom-of-the-table Pescara -- their seventh consecutive Serie A victory.
Juventus beat 10-man AC Milan 2-1 in the quarterfinals of the Coppa Italia on Wednesday.
Napoli beat Fiorentina 1-0 to advance to the Coppa Italia semifinals and extend their unbeaten streak in all competitions to 15 matches on Tuesday.
Juventus returned to winning ways on Sunday as early strikes from Paulo Dybala and Gonzalo Higuain steered the Serie A leaders to a 2-0 victory over fourth-placed Lazio.
Napoli extended their unbeaten run in Serie A to 10 games with a 2-1 victory over AC Milan at San Siro.
Roma are on course to face city rivals Lazio in the Coppa Italia semifinals after easing past Sampdoria 4-0 in the round of 16 on Thursday.
Jeison Murillo scored with a spectacular bicycle kick and Antonio Candreva got the winner in extra time as Inter Milan beat Bologna 3-2 on Tuesday to advance to the Coppa Italia quarterfinals.
Carlos Bacca's second-half penalty earned 10-man AC Milan their share of the points from a hard-fought 2-2 Serie A draw at Torino on Monday.
Fiorentina put a dent in Juventus' title charge with a 2-1 win at the Stadio Artemio Franchi.
Marek Hamsik moved to within two goals of Diego Maradona's record of 115 as he struck to help Napoli beat Pescara 3-1 on Sunday and keep up the pressure on the top two.
Inter Milan came from behind to beat Chievo 3-1 with late goals from Ivan Perisic and Eder at the San Siro to record a fifth straight Serie A victory.
AC Milan came back from a goal down to beat Torino 2-1 on Thursday and set up a meeting with Juventus in the Coppa Italia quarterfinals.
Paulo Dybala scored a stunning volley and provided an assist, but Juventus found it harder than expected to beat Atalanta 3-2 in the Coppa Italia.
Manolo Gabbiadini boosted his value in the transfer market by scoring for the third straight match as Napoli beat Serie B side Spezia 3-1 on Tuesday to advance to the Italian Cup quarterfinals.
Serie A leaders Juventus returned from their winter break to demonstrate their fearsome Scudetto credentials with a 3-0 dismantling of Bologna on Sunday night.
Fresh off their Italian Super Cup win over Juventus, fifth-placed AC Milan needed a late goal to beat visitors Cagliari 1-0 on Sunday.
An Armando Izzo own goal gave Roma a 1-0 victory over Genoa and secured their first win away from home since October.
Ivan Perisic scored twice as Inter Milan came from a goal down to beat Udinese and win a fourth straight Serie A game.
After sitting on the bench all season, Lorenzo Tonelli finally got a chance to play for Napoli on Saturday and he made quite an impact in their 2-1 win over Sampdoria.
Juventus have officially completed the signing of Tomas Rincon from Serie A rivals Genoa on a three-and-a-half-year contract.
Internazionale continued to enjoy home comforts as they brushed aside Lazio with three goals in 12 second-half minutes to claim a 3-0 win.
Lazio drew level on points with third-placed Napoli in the Serie A table by beating Fiorentina 3-1 at the Stadio Olimpico.
Lazio defender Francesco Acerbi suffered double frustration on Monday when he was booked for celebrating what he thought was a stoppage-time equaliser in the Serie A match against Atalanta which was then disallowed after a VAR review.
Beleaguered AS Roma coach Eusebio Di Francesco was handed a lifeline as his side twice fought back from behind to beat Genoa 3-2 in Serie A on Sunday.
A stoppage-time free kick from Arkadiusz Milik gave Napoli a 1-0 win over Cagliari on Sunday to keep them eight points behind Serie A leaders Juventus and end the Sardinian team's unbeaten home run.
Cristiano Ronaldo converted a second-half penalty and was booked for provoking beaten goalkeeper Salvador Ichazo as relentless Serie A leaders Juventus beat Torino 1-0 in an absorbing derby on Saturday.
Inter Milan rebounded from the disappointment of their midweek Champions League exit by scraping a 1-0 win at home to struggling Udinese in Serie A after captain Mauro Icardi converted a Panenka-style penalty late in the game on Saturday.
AC Milan goalkeeper Gianluigi Donnarumma played his 100th consecutive full Serie A game and Torino coach Walter Mazzarri was sent off for the third time this season in an otherwise uneventful 0-0 draw on Sunday.
Genoa held SPAL to a 1-1 draw in Serie A in their first match under former Italy coach Cesare Prandelli on Sunday despite playing for nearly 80 minutes with 10 men.
Serie A's remarkable weekend of dramatic finishes continued on Sunday as Fiorentina equalised in the sixth minute of stoppage time to draw 3-3 at Sassuolo after trailing 3-1.
Marco SauвЂ™s 95th-minute equaliser completed a remarkable late comeback as nine-man Cagliari recovered from two goals down to draw 2-2 with AS Roma in Serie A on Saturday.
Two goals from Arkadiusz Milik helped Napoli move six points clear in second place with a 4-0 win over Frosinone in Serie A on Saturday.
Unbeaten Juventus made it 14 victories in 15 Serie A games this season when Mario Mandzukic's second-half header gave them a 1-0 win over Inter Milan in a breathless Derby d'Italia on Friday after the visitors wasted their chances.
Napoli substitute Arkadiusz Milik scored with a sublime volley three minutes after coming off the bench to snatch a late and precious 2-1 win at Atalanta in Serie A on Monday.
Roma fought back from behind twice to earn a 2-2 draw with Inter Milan in Serie A in a Stadio Olimpico thriller on Sunday.
AC Milan staged a second-half comeback to beat Parma 2-1 at San Siro and move back into the top four in Serie A on Sunday.
Juventus forward Cristiano Ronaldo scored for the fifth league game in a row to complete a 3-0 win for the unbeaten Serie A leaders away to Fiorentina on Saturday.
Lazio coach Simone Inzaghi was sent off and initially refused to leave the touchline after over-celebrating his team's stoppage-time equaliser in a dramatic 1-1 draw against makeshift AC Milan in Serie A at a wet Stadio Olimpico on Sunday.
Second-placed Napoli dropped two valuable points in their Serie A title chase when they were held to a 0-0 draw at home on Sunday by table-propping Chievo, who were playing their first match under their third coach of the season.
Keita Balde scored twice to open his account for Inter Milan as they beat Frosinone 3-0 on Saturday to move alongside second-placed Napoli in the Serie A title race.
Juventus moved nine points clear at the top of Serie A with a 2-0 win over SPAL on Saturday as Cristiano Ronaldo's strike made him the league's joint-top scorer.
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.