Josip Ilicic and Rafal Wolski gave Fiorentina a much-needed victory over 10-man Atalanta.
Hernanes made his debut, but it was Walter Samuel who gave Inter their first victory of 2014, squeezing past Sassuolo.
Both Lazio and Roma wasted golden opportunities in this Derby della Capitale stalemate.
Genoa earned a hard-fought victory away to Livorno, who had one goal disallowed and another cleared off the line.
Adel Taarabt scored on his Milan debut, but a Gonzalo Higuain brace saw Napoli win 3-1 and Mario Balotelli burst into tears.
Parma were very fortunate to get away with a point, as Catania played better and hit the woodwork twice.
Daniele Gastaldello’s early goal gave Sampdoria the points, but Cagliari had a goal incorrectly disallowed.
Bologna fought back from an early goal to earn a shock 2-1 victory away to Torino, their first here since December 1980.
Udinese rode their luck in the first half, but rallied behind Antonio Di Natale to crush Chievo 3-0.
Carlos Tevez gave Juventus a 2-0 lead on Daniel Osvaldo’s debut, but Verona clawed back a point in stoppages.