Cristiano Ronaldo bounced back from his red card against Valencia by opening the scoring in Juventus' 2-0 win over Frosinone.
Gonzalo Higuain scored his first Serie A goal for AC Milan but they were held to a 1-1 draw at Cagliari on Sunday.
Serie A club Chievo have been deducted three points and fined €200,000 (£180,000) by the Italian FA (FIGC) for false accounting.
Napoli missed the chance to go level with Serie A leaders Juventus after tumbling to a 3-0 defeat at Sampdoria.
Torino staged a superb second-half recovery to heap more Serie A misery on Inter in a 2-2 draw at the San Siro.
Cristiano Ronaldo was unable to find the net as the Serie A champions fought back to win 3-2 against Chievo in Verona.
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