Juventus conceded their place in Serie A's Champions League positions on Wednesday after falling to a 1-0 defeat at Parma, one of four matches rescheduled from Monday following the death of Pope Francis.
The Italian football federation (FIGC) announced that all games across professional and amateur football on Monday would be rescheduled to a later date.
Inter Milan are level with Napoli at the top of Serie A after Riccardo Orsolini fired Bologna to a last-gasp 1-0 win over the reigning champions on Sunday.
Scotland midfielder McTominay nodded home his 10th goal in all competitions this season from Giacomo Raspadori's cross in the 72nd minute to save Napoli's blushes after a drab display in northern Italy.
Belgium striker Lukaku has scored 12 times and set up 10 more in Italy's top flight this season and has been key to Napoli's battle with reigning champions Inter for the league title.
"We've had a lot of commitments, we'd just played a derby, and you can't always find the right spirit to get the three points," said Inter's assistant coach Massimiliano Farris to DAZN.
Inter Milan and AC Milan's Italian Cup semi-final was left finely balanced on Wednesday after the two giants of Italian football played out a 1-1 draw at the San Siro.
Inter Milan and AC Milan's Italian Cup semi-final was left finely balanced on Wednesday after the two giants of Italian football played out a 1-1 draw at the San Siro.
The win moved Napoli three points behind leaders Inter Milan, who beat Udinese 2-1, while third-placed Atalanta lost 1-0 at Fiorentina.
Georgia striker Khvicha Kvaratskhelia on Friday signed for Paris Saint-Germain for an undisclosed fee from Italian league leaders Napoli, the French champions announced.
Marco Brescianini tapped home into an open goal with two minutes remaining to snatch a point from the Stadio Olimpico in Rome, where a passionate crowd thought a big win was coming their way.
Inter's skipper had not scored for his club since Nov. 3 in a 1-0 win over Venezia.
"It's been a wonderful year, we're sorry it's ending, let's hope that 2025 will be just as good," Gasperini told DAZN.
Frank Anguissa and Amir Rrahmani scored Napoli's goals in an eight-minute spell in the first half before Andrea Pinamonti cut the deficit early in the second period.
Reigning champions Inter came through what was supposed to be a tough test at the Stadio Olimpico with flying colours and are three points off the Scudetto pace with a game in hand.
Substitute Zaniolo decided a hard-fought encounter in Sardinia by stroking home Raoul Bellanova's cut-back in the 66th minute and moving Atalanta five points clear.
Edoardo Bove has had a defibrillator fitted after the Fiorentina midfielder's on-pitch cardiac arrest earlier this month, according to widespread Italian media reports on Tuesday.
Fiorentina earlier remained on Napoli's heels after their 1-0 home win over Cagliari in their first league match since midfielder Edoardo Bove's sudden collapse last weekend.
Edoardo Bove is conscious and alert in hospital after his sudden collapse which caused Fiorentina's match with Inter Milan to be called off, the Serie A club said on Monday.