Goals from Goran Pandev, Walter Samuel and Diego Milito sealed an easy win for Jose Mourinho's team, who reached 52 points at the summit.

Inter's arch-rivals Milan failed to win for the third match running after being held to goalless draw at Bologna.

Elsewhere, Udinese's Antonio Di Natale regained his position on top of the Serie A scoring charts with a hat-trick against Napoli in a 3-1 win.