Miralem Pjanic scored one and set up another as Juventus beat Dinamo Zagreb 4-0 in the Champions League, while Monaco drew with Bayer Leverkusen.
Juventus needed an unfortunate own goal from Edoardo Goldaniga to squeeze past Palermo while Napoli beat Chievo.
Juventus, who beat Cagliari 4-0, move to the top of Serie A after Napoli were held to a 0-0 draw at Genoa.
Mauro Icardi inspired a superb comeback win for Inter as they beat Juventus 2-1 on Sunday, while Roma lost at Fiorentina.
Borussia Dortmund hit six, while Juventus were held by Sevilla on the second night of Champions League group stage action.
Zlatan Ibrahimovic's goal-scoring start to life at Manchester United shows he is up there with the world's best, Gianluca Zambrotta says.
Gonzalo Higuain starred for Juventus with two goals as they beat Sassuolo 3-1 in Serie A on Saturday, as Napoli won 3-0 at Palermo.
Antonio Conte could move for free agent and former Juventus defender Martin Caceres - but how would he fit in at Chelsea?
Everton striker Romelu Lukaku has claimed he rejected the chance to join Juventus.
Blaise Matuidi has revealed he wanted to leave PSG this summer only for a potential move to Juventus to be blocked.
Former Liverpool striker Ian Rush expects Joe Hart to learn a lot from his season-long loan move to Torino.
Chelsea winger Juan Cuadrado has joined Juventus on a three-year loan deal until 2019, the Italian club have confirmed.
West Ham have completed the signing of striker Simone Zaza on a season-long loan from Juventus.
Napoli survived a second-half scare to beat nine-man AC Milan 4-2 in an incident-packed Serie A clash on Saturday night.
West Ham are close to completing the signing of Italy international forward Simone Zaza from Serie A champions Juventus.
Juventus striker Simone Zaza could be on his way to West Ham as early as Thursday night, according to Sky in Italy.
Slaven Bilic has confirmed West Ham's interest in forwards Wilfried Bony and Simone Zaza.
West Ham are a "concrete" option for Juventus forward Simone Zaza, according to the player's father.
Juventus are confident of completing a deal to sign Juan Cuadrado from Chelsea "in the next few days".
Gonzalo Higuain quickly showed his value by coming off the bench to score the winner in Juventus' 2-1 victory over Fiorentina on the opening day of Serie A.