Defender Gabbia rose highest to thump home Tijjani Reijnders' free-kick in the 89th minute and give Milan a Serie A win which pulls them out of a miserable early season slump.
Juventus were held to a 0-0 Serie A draw at Empoli on Saturday as Thiago Motta's side dropped more points after their goalless home stalemate against AS Roma before the international break.
Inter and AC Milan on Friday rejected the project to modernise and restructure the iconic San Siro stadium which they share, city mayor Giuseppe Sala announced.
Victor Osimhen has been sidelined by Napoli after the team he fired to Serie A glory just a over year ago left him both off their squad list for the 2024/25 campaign and potentially in season-long limbo.
Belgium striker Lukaku completed a permanent move to Napoli from Chelsea on Thursday, ending a long period of limbo with the Blues.
Inter Milan thrashed Atalanta 4-0 on Friday to move provisionally top of Serie A, while Torino snatched a late 1-0 win at Venezia to continue their positive start to the campaign.
The futures of Napoli striker Victor Osimhen and England international Ivan Toney are set to dominate the final day of the European transfer window on Friday as Chelsea continue their frenzied pursuit of new signings.
Napoli have signed Romelu Lukaku from Chelsea, the Serie A club announced on Thursday, ending the Belgium striker's extended period in limbo with the Blues.
Poland goalkeeper Wojciech Szczesny on Tuesday announced he was retiring from football at the age of 34 less than two weeks after the end of his contract with Juventus.
A new board at Italian soccer club Juventus JUVE.MI will be appointed this week and plunged straight into its accounting scandal, with a hearing on Friday before sporting authorities on its transfer dealings.
Dazzling duo Victor Osimhen and Khvicha Kvaratskhelia have Napoli dreaming after starring in a five-goal massacre of Juventus which made them clear favourites to claim a first Serie A title in over three decades.
Napoli stamped their authority on the Serie A title race on Friday by thrashing Juventus 5-1 and moving 10 points clear of the chasing pack.
Saudi Arabian club Al Nassr have denied reports that Cristiano Ronaldo has a clause in his contract where the Portugal forward is to serve as an ambassador for the Gulf country's 2030 World Cup bid.
Former Barcelona and Brazil defender Dani Alves is under investigation over an allegation that he sexually assaulted a woman in a nightclub in Spain last month, Catalonia's Supreme Court said on Tuesday.
Juventus have joined Milan in second place after a poor start to the season. The Bianconeri collected 13 points in the opening nine Serie A games and faced Champions League elimination in the group stage in November.
Napoli moved seven points clear at the top of Serie A after Sunday's 2-0 win at 10-man Sampdoria, who paid tribute to deceased greats Gianluca Vialli and Sinisa Mihajlovic.
Federico Chiesa dedicated Juventus' late victory over Udinese to Gianluca Vialli following the legendary former Bianconeri striker's death at the age of 58.
Former soccer striker Gianluca Vialli, who earned 59 caps for Italy and enjoyed a stellar club career with Sampdoria, Juventus and Chelsea, has died from cancer at the age of 58.
Napoli's 11-match winning streak and unbeaten start to the Serie A season ended on Wednesday when Edin Dzeko's second-half goal secured Inter Milan a 1-0 victory.