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Sampdoria have rescinded midfielder Nenad Krsticic's contract by mutual consent.