Giovanni Simeone scored twice as Genoa inflicted a 3-1 defeat on reigning champions and Serie A leaders Juventus on Sunday.
Roma lost further ground on Serie A leaders Juventus when they were sunk by a late penalty and lost 2-1 at Atalanta.
Juventus maintained their four-point lead at the top of the Serie A table after Miralem Pjanic struck a late winner at Chievo.
Joe Hart was at fault for Mauro Icardi's first goal as Inter Milan beat Torino 2-1 in Serie A on Wednesday.
A brilliant strike by teenager Manuel Locatelli fired Milan to a hard-earned 1-0 win over Serie A leaders Juventus at San Siro.
Two goals from Paulo Dybala helped Juventus strengthen their lead at the top of Serie A with a 2-1 win over Udinese on Saturday.
Juventus moved for points clear at the top of Serie A after a 3-0 victory at Empoli, while Napoli slipped up at Atalanta.
Juventus, who beat Cagliari 4-0, move to the top of Serie A after Napoli were held to a 0-0 draw at Genoa.
Carlos Bacca responded to being dropped to the bench by firing AC Milan to a 1-0 Serie A victory over Sampdoria on Friday.
Mauro Icardi's stoppage-time strike earned Frank de Boer his first win as Inter Milan boss and sank Pescara 2-1.
Andrea Belotti scored a hat-trick and missed a penalty as Torino cruised to a 5-1 victory over Bologna in Serie A.
Inter Milan suffered a surprise 2-0 defeat to Chievo on the opening weekend of Serie A while Napoli also struggled.
Sampdoria have rescinded midfielder Nenad Krsticic's contract by mutual consent.
Sevilla are set to sign Sampdoria midfielder Joaquin Correa on a five-year deal.
Sampdoria president Massimo Ferrero has offered Liverpool striker Mario Balotelli an escape route from Anfield.
Liverpool's unwanted striker Mario Balotelli has been linked with a second Serie A club in as many days.
Juventus celebrated winning the Serie A title for the fifth year in a row by beating relegation-threatened Carpi 2-0.
Juventus are closing in on a fifth consecutive Serie A title after emerging victorious from a gritty game with Fiorentina.
Paulo Dybala scored twice as Juventus thrashed Lazio 3-0 to take what could prove to be a decisive lead in Serie A.
Napoli are back within six points of Serie A leaders Juventus after beating bottom club Hellas Verona 3-0 on Sunday.