Roma closed the gap on Serie A leaders Juventus to seven points with a 3-1 win away to Inter Milan at San Siro.
Paulo Dybala scored twice as Juventus opened up a 10-point lead at the top of Serie A with a thumping 4-1 win against Palermo.
Gonzalo Higuain scored twice as Juventus preserved their seven-point lead in Serie A with a 2-0 victory at 10-man Cagliari.
Juan Cuadrado's thunderbolt gave Juventus 1-0 home win over Inter Milan on Sunday, as Sampdoria beat AC Milan and Lazio hit six.
Gonzalo Higuain reached 15 goals for the Serie A season as Juventus reinforced their position as leaders with a 2-0 win over Sassuolo.
Paulo Dybala and Gonzalo Higuain scored as Serie A leaders Juventus beat fourth-placed Lazio 2-0 on Sunday.