The Serie A title credentials of Inter Milan and Juventus will be on the line on Sunday as two giants of Italian football face off in a San Siro showdown.

A stunning first-half brace by striker Dusan Vlahovic helped Juventus to a 3-0 win over Sassuolo in Serie A on Tuesday as Massimiliano Allegri's side extended their unbeaten league run to 15 games in front of a sold-out home crowd.

Adrien Rabiot's second-half goal earned Juventus a 1-0 home win over AS Roma on Saturday that took them within two points of Serie A leaders Inter Milan.

Yann Bissek's first goal in Italy just before half-time at the San Siro and a late finish from Nicolo Barella were enough for Inter to bounce back from cup defeat to Bologna midweek and keep closest challengers Juventus at bay.

Turkey playmaker Hakan Calhanoglu set up a goal and scored another as Inter Milan moved back to the summit of Serie A with Saturday's comfortable 4-0 home win over Udinese.

Inter Milan and Juventus face off on Sunday in a clash between Serie A's two title favourites and historic rivals, as Walter Mazzarri begins his second reign at troubled Napoli.

Italian club Juventus' midfielder Nicolo Fagioli is under investigation for alleged illegal betting activities, a prosecutor said on Wednesday, confirming earlier press reports.

The 30-year-old former Manchester United player, a World Cup winner in 2018, faces a ban of up to four years.

Lukaku grabbed his third goal in five league games for Roma after latching onto a clever pass from Paulo Dybala midway through the first half.

Leonardo Bonucci has confirmed that he is taking legal action against Juventus, claiming that the Serie A club has not told the truth about their treatment of him after he was frozen out and eventually sold over the summer.

After a nightmare season between injuries and a blackmail affair, the 30-year-old's dreams of bouncing back were shattered by the alleged doping offence after Juventus's 3-0 win at Udinese on August 20, during which he was an unused substitute.

Union Berlin have signed Italy captain Leonardo Bonucci from Juventus, the Bundesliga club announced on Friday.

Victor Osimhen netted his third goal of the season from the penalty spot 15 minutes into Napoli's first home match since lifting the league title in front of their fans for the third time back in June.

Former Barcelona and Brazil defender Dani Alves was formally indicted on Wednesday on charges of sexual assault of a woman in a Barcelona nightclub in December, and his lawyer said the player would not slow the process down by appealing against the indictment.

According to Italian sports journalist Gianluca Di Marzio, Parma goalkeeper Gianluigi Buffon is set to retire from professional football.

Juventus will not play in Europe next season after being banned over breaches of UEFA's Club Licensing and Financial Fair Play rules, while Premier League side Chelsea will pay 10 million euros for submitting incomplete financial information, Europe's soccer governing body said on Friday.

Barcelona's friendly match against Juventus in San Francisco on Saturday has been cancelled after an outbreak of viral gastroenteritis among the Spanish team.

Juan Cuadrado has signed for Inter Milan, the Serie A club announced on Wednesday as fans protested the arrival of the Colombia winger after being released by bitter rivals Juventus.

Cristiano Ronaldo’s former Juventus team mate Juan Cuardrado reportedly revealed that the super star does not want him to join at Al-Nassr.

The 35-year-old World Cup winner left Juve as a free agent last month amid claims he could be targeted by a club in Saudi Arabia.