Napoli came from behind to beat Lazio to maintain their winning start to the Serie A season and go top of the table.
Mario Mandzukic scored as Juve won 1-0 again Fiorentina, who had Milan Badelj sent off.
Inter Milan, who were held by Bologna on Tuesday, trail the top two by two points while AC Milan are fourth after beating SPAL 2-0.
Former Manchester City striker Edin Dzeko scored twice for Roma in a 4-0 win against bottom club Benevento – their ninth consecutive away victory in Serie A.
RESULTS
Lazio 1:4 Napoli
Benevento 0:4 Roma
Atalanta 5:1 Crotone
Cagliari 0:1 Sassuolo
Genoa 1:1 Chievo
Juventus1:0 Fiorentina
AC Milan 2:0 SPAL
Udinese 2:3 Torino
Hellas Verona 0:0 Sampdoria