Juve, meanwhile, were not quite perfect, partly due to their many absentees, as they clinched a fourth straight win beating Livorno 2-0 and may expect a rough time away to Genoa.
'We started well. We have all the qualities to win the scudetto,' said the young Claudio Marchisio, on target with a classy goal after Vincenzo Iaquinta's opener.
Surprising Sampdoria bask at the top next to Juve on 12 points and are also in for a tough game when they visit Fiorentina, looking to bounce back from a 3-1 beating at Roma.
Signs of improvement after a dull start came from AC Milan, who still struggled to edge minnows Bologna 1-0 and will prove their effective worth at Udinese.
The season began quite well for promoted Parma, lying level on seven points with Fiorentina, Milan and their next hosts Lazio, while newcomers Bari also have no complaints on six points before hosting Cagliari.
In remaining action, Palermo are at home to Roma, Bologna host Livorno, bottom side Atalanta welcome Catania and Siena entertain Chievo.