Fiorentina put a dent in Juventus' title charge with a 2-1 win at the Stadio Artemio Franchi.
Serie A leaders Juventus returned from their winter break with a 3-0 dismantling of Bologna on Sunday night.
Roma bounced back from their Serie A defeat to Juventus at the weekend by coming from behind to beat Chievo 3-1.
A fine solo goal from Gonzalo Higuain stretched Juventus' lead at the top of Serie A to seven points following a 1-0 victory over Roma.
A rare goal from Kevin Strootman helped Roma reclaim second place in the Serie A table as they beat derby rivals Lazio 2-0 on Sunday.
Giovanni Simeone scored twice as Genoa inflicted a 3-1 defeat on reigning champions and Serie A leaders Juventus on Sunday.
Juventus saw off Pescara 3-0 on Saturday to take a seven-point lead at the top, while Napoli and Chievo also claimed wins.
Joe Hart's Torino thrashed Cagliari 5-1, while Napoli were held to a 1-1 draw by Lazio in Serie A on Saturday.
Joe Hart was at fault for Mauro Icardi's first goal as Inter Milan beat Torino 2-1 in Serie A on Wednesday.
Frank de Boer's future as Inter Milan head coach is under serious threat after a 2-1 defeat to Atalanta in Bergamo on Sunday.
Juventus moved for points clear at the top of Serie A after a 3-0 victory at Empoli, while Napoli slipped up at Atalanta.
Juventus, who beat Cagliari 4-0, move to the top of Serie A after Napoli were held to a 0-0 draw at Genoa.
Mauro Icardi inspired a superb comeback win for Inter as they beat Juventus 2-1 on Sunday, while Roma lost at Fiorentina.
Mauro Icardi's stoppage-time strike earned Frank de Boer his first win as Inter Milan boss and sank Pescara 2-1.
Andrea Belotti scored a hat-trick and missed a penalty as Torino cruised to a 5-1 victory over Bologna in Serie A.
Inter Milan suffered a surprise 2-0 defeat to Chievo on the opening weekend of Serie A while Napoli also struggled.
Serie A champions Juventus saw their 47-match unbeaten home league record come to an end against Udinese.
Cagliari drew a line under 11 years in Serie A by beating Udinese 4-3 in their last game before submitting to relegation.
Fiorentina qualified for the Europa League while Stephan El Shaarawy scored his first goal in seven months for AC Milan.
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