Two goals in three second-half minutes helped Inter Milan to a 2-0 victory at home to Benevento.
Alex Sandro scored as Juventus bounced back from their Champions League collapse against Spurs with a 1-0 victory at Torino.
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.
Napoli moved four points clear at the Serie A summit on Sunday with a 1-0 victory over Atalanta in Bergamo.
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