Paulo Dybala scored twice to take his tally to 10 goals in six Serie A games as Juventus crushed Torino in the Turin derby.

Sampdoria had to wait until late for a 2-0 victory over Milan through Duvan Zapata and Ricky Alvarez, but dominated them at Marassi.

Inter struggled against Genoa, but squeezed through with a late Danilo D’Ambrosio header and two Grifone red cards.

Napoli had to claw their way to a sixth straight victory, maintaining the perfect record, but SPAL made it very difficult for them in a 3-2 thriller.

RESULTS

Roma 3:1 Udinese

SPAL 2:3 Napoli

Juventus 4:0 Torino

Sampdoria 2:0 AC Milan

Cagliari 0:2 Chievo

Crotone 2:0 Benevento

Inter Milan 1:0 Genoa

Hellas Verona 0:3 Lazio

Sassuolo 0:1 Bologna

Fiorentina 1:1 Atalanta