Torino 0-0 Napoli
Napoli missed the chances to close the gap on Inter Milan and Juventus after goalless draw away to Torino.
The point leaves Carlo Ancelotti's men in fourth spot, five points behind of Inter.
AS Roma 1-1 Cagliari
AS Roma's stuttering form continued after playing to a 1-1 draw with Cagliari in Rome.
João Pedro gave the visitors the lead from the penalty spot, but an own goal from Luca Ceppitelli ensured the spoils were shared.
Fiorentina 1-0 Udinese
Fiorentina recorded a third straight Serie A victory after edging Udinese 1-0 on Sunday afternoon.
Serbian full-back Nikola Milenkovic bagged the game's only goal in the 72nd minute.
Atalanta 3-1 Lecce
Atalanta cemented third spot in Serie A with a 3-1 thumping of Lecce at Gewiss Stadium.
Daniel Zapata, Alejandro Gomez and Robin Gosens secured the win for the home side.
Bologna 2-2 Lazio
Bologna and Lazio settled for the share of the spoil at the Stadio Renato Dall'Ara.
Ciro Immobile netted a brace for the visitors, while Ladislav Krejčí and Rodrigo Palacios were on target for Bologna.