Cagliari's Serie A campaign has started 1 victory over Novara on Saturday.
Thiago Ribeiro notched his first goal in Serie A in the 38th minute to put Cagliari in front as Nene's flicked header found him at the back post for an easy finish.
Cagliari had a goal called back before halftime, but the lead was doubled in the 86th minute when Joaquin Larrivey redirected a shot from Daniele Conti past goalkeeper Samir Ujkani and into the corner of the net.
A deflected shot from Takayuki Morimoto allowed Novara to pull a goal back, but there was not enough time for the visitors to grab an equalizer.
Inter Milan 0, Roma 0
Milan, Italy - Inter Milan's slow start to the season continued on Saturday as the Nerazzurri was held to a 0-0 draw at the San Siro by Roma.
Inter opened the Serie A campaign with a 4-3 loss to Palermo, which was followed up in midweek by a 1-0 home defeat to Trabzonspor in the Champions League.
There was a scary moment in the first half as Inter's Lucio delivered a boot to the head of Roma goalkeeper Maarten Stekelenburg while lunging in for a loose ball inside the area.
The Dutch 'keeper had to be taken off the field on a stretcher and could be forced to miss time.
The match itself lacked many clear-cut chances, with Inter's Yuto Nagatomo going close with a shot from inside the area to provide the match with its best chance.