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.
Milan have also reportedly inserted a release clause of 175 million euros which can only be exercised during a summer transfer window.
His message was one of pride, which is what he has restored at Roma, a team which has one of Italy's largest, most passionate fan bases but has won little of note since being founded in 1927.
Spalletti has just led Napoli to the Serie A title for the first time since 1990 but there has been speculation about whether he would stay on.
Giroud guided home a brilliant header from Davide Calabria's cross in the 40th minute to guarantee Milan at least fourth place and complete Italy's line-up in Europe's top club competition next season
Simone Inzaghi's side rose to second in Serie A after winning the Italian Cup on Wednesday with an entertaining win over Atalanta after an early blitz from Romelu Lukaku and Nicolo Barella followed by Lautaro Martinez's simple finish in the 77th minute
A clash of epic proportions is set to be played out as the Champions League finalists Inter Milan go head-to-head with Conference League finalists Fiorentina tonight in the Coppa Italia final.
Juventus still hope to qualify for Europe and are determined to prove on the pitch that their recent Serie A points deduction is just another obstacle that can be overcome.
A UEFA investigation into Juventus Finances will end in June and disqualification from European competitions is a possible scenario for the black and whites although it could change if they officially leave the mooted European Super League.
Italian soccer will take a "zero tolerance" approach to racist fans, using technology to help identify offenders and ban them from stadiums, the head of Serie A said on Tuesday.
The punishment, followed swiftly by a 4-1 defeat by Empoli on Monday evening, leaves Italy's most successful soccer club in seventh place in Serie A, outside of the places for European competition qualification.