Mauro Icardi netted a hat-trick as Inter Milan beat 10-man Sassuolo 7-0 for its first win of the fledgling Serie A season.
New signing Paolo Osvaldo scored twice and Mateo Kovacic also recorded his first league goal for Inter, while Fredy Guarin capped off a fantastic day for the Nerazzurri.
Sassuolo, which lost at home by the same scoreline in its first meeting with Inter last season, also had forward Domenico Berardi sent off for an elbow on Juan Jesus.
Elsewhere, Napoli missed a penalty as it went down to a surprise 1-0 loss at home to Chievo, while Lazio beat Cesena 3-0.
Fiorentina 0 - 0 Genoa
Cagliari 1 - 2 Atalanta
Sampdoria 2 - 0 Torino