Atalanta completed an incredible comeback from 2-0 down to beat Cesena 3-2 in a thrilling relegation battle.
Chievo climbed out of the relegation zone at the expense of Cagliari, emerging from Sardinia with a 2-0 win.
There were ultimately more cards than clear scoring opportunities as Juventus were held to a tense 0-0 draw by rivals Fiorentina.
Luca Antonelli gave Genoa a shock 1-0 victory over Milan to go clear in third place, especially as Napoli drew with Empoli today.
Inter dominated the first half, but lost 2-1 to Udinese at San Siro with a Bruno Fernandes gem and Rodrigo Palacio howler.
Napoli were dreadful for an hour, but Duvan Zapata and Jonathan de Guzman fought back to snatch a 2-2 draw with Empoli.
Parma had taken the lead and saw a good goal disallowed, but fell apart as Lazio emerged 2-1 winners.
Roma fought back from 2-0 down after Daniele De Rossi’s red card to hold Sassuolo 2-2 thanks to Adem Ljajic’s late brace.
Torino fought back twice to earn a 2-2 draw with Palermo despite Paulo Dybala’s extraordinary goal.
Sampdoria had their strikers to thank, as all three scored in a comfortable win over 10-man Verona following Rafael Marquez’s red card.