AC Milan starlet Francesco Camarda made history on Saturday after becoming the youngest ever player to play in Serie A during Saturday's 1-0 win over Fiorentina.
Mazzarri's team are still seven points behind leaders Inter Milan who travel to Turin on Sunday for the weekend's big match at second-placed Juventus
Gianluigi Donnarumma will be given a fierce reception on Tuesday when he faces crisis-club AC Milan at the San Siro for the first time since jumping ship for Paris Saint-Germain and becoming public enemy number one.
AC Milan are in a difficult group that includes Borussia Dortmund and Newcastle United.
Paris Saint-Germain's Champions League clash with AC Milan this week will see the French club come up against one of the many outstanding talents they have let slip away in recent years.
Khvicha Kvaratskhelia helped put Napoli's Serie A title defence back on track with a brace in Saturday's 3-1 win at Verona which moved the champions four points behind leaders AC Milan.
Inter rebounded from their first loss of the season midweek against Sassuolo thanks to a sensational second-half display from Martinez.
Portugal winger Leao netted his third goal in as many league matches in the eighth minute at a sodden San Siro to move Milan up to second on 12 points from five games
Newcastle held AC Milan to a goalless draw in Tuesday's opening match of their first Champions League campaign in two decades.
Inter Milan laid down an early title marker on Saturday by handing out a 5-1 derby hammering to AC Milan and going it alone at the Serie A summit, while champions Napoli were held 2-2 at promoted Genoa.
Italy's Milan giants face off in Saturday's local derby which pits Serie A's form teams against one another in a match which will give an early indication of their title credentials..
Paris St Germain will kick off their quest for a maiden Champions League trophy in a strong Group F featuring Borussia Dortmund, AC Milan and Newcastle United following the draw on Thursday.
The 24-year-old is looking to give his club career a jump start at Milan after being sold by Chelsea and he was key to Stefano Pioli's side claiming the points in their opening match of the season
AC Milan, the football club which won a host of domestic and European titles under Silvio Berlusconi's ownership, called him "unforgettable" in a tribute after his death aged 86 Monday.
According to reports in Italy, a number of AC Milan stars are unhappy with owner Gerry Cardinale's decision to sack club legend Paolo Maldini.
Veteran striker Ibrahimovic revealed his decision to quit the game during an on-pitch ceremony following AC Milan's 3-1 win over Verona which ended their Serie A campaign
Milan have also reportedly inserted a release clause of 175 million euros which can only be exercised during a summer transfer window.
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
Milan ended a run of three straight defeats, including two at the San Siro against Inter in the Champions League semi-final, with an emphatic victory over a team dead last in the table