Elsewhere, AC Milan rose to third in the table with three goals coming in the final five minutes of their 3-1 win at Empoli.
The champions were leading 1-0 going into injury time after Ante Rebic broke the deadlock in the 79th minute.
Nedim Bajrami netted an equaliser for Empoli in the 92nd minute only for Fode Ballo-Toure to restore Milan’s lead two minutes later.
And Rafeal Leao added a third right before the full-time whistle as Milan eased to their fifth league win of the season.
Milan sit level on points with second-placed Atalanta and three points behind league leaders Napoli, who extended their lead at the top of Serie A with a 3-1 win at home to Torino on Saturday.