Cagliari fought back for an opening weekend victory over Atalanta, but it was a dramatic game with both sides hitting the woodwork.
First half goals from Giuseppe Rossi and David Pizarro were enough to give Fiorentina a 2-1 win over Catania.
Inter took a long time to get into gear, but Yuto Nagatomo and Rodrigo Palacio eventually snatched a 2-0 victory over Genoa and Mauro Icardi rattled the woodwork.
Lazio dominated the first half, Udinese had the better of the second, but the Biancocelesti clung on for a morale-boosting 2-1 victory.
For all the internationalisation of Roma, it was homegrown Daniele De Rossi and Alessandro Florenzi who earned a 2-0 win in Livorno.
Rafa Benitez’s new Napoli started with a bang, thrashing Bologna 3-0 with Jose Maria Callejon and a Marek Hamsik brace.
The goalkeepers were decisive at the Tardini, particularly on Jonathan Biabiany and Cyril Thereau.
Carlos Tevez scored on his Serie A debut to give Juventus a hard-fought 1-0 victory away to Sampdoria, including a straight red card.
Sassuolo are still waiting for their first ever Serie A goal, as they were beaten 2-0 by Torino.
Milan started the campaign with a shock 2-1 defeat in Verona, as Luca Toni’s brace of headers overturned Andrea Poli’s goal.