AC Milan needed a late Andre Silva goal to snatch a 3-2 win at home to lowly Chievo.
Fiorentina and Cagliari have retired the No 13 shirt formerly worn by captain Davide Astori following the 31-year-old's death.
Leaders Napoli sent their Serie A winning streak into double figures with an emphatic 5-0 success at Cagliari.
Yann Karamoh's first goal for Inter Milan settled their fraught 2-1 victory over nine-man Bologna at the San Siro on Sunday.
Gonzalo Higuain scored a hat-trick as Juventus thrashed Sassuolo 7-0 to keep the pressure on Napoli in the Serie A title battle.
Dries Mertens scored twice as Napoli beat Bologna 3-1 to reclaim top spot in the Serie A table from reigning champions Juventus.
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