Kevin De Bruyne has signed for Napoli as a free agent after being released by Manchester City, the Serie A champions' president Aurelio De Laurentiis confirmed on Thursday.
A 2–0 victory over Cagliari in the final round ensured they stayed ahead of Inter Milan, sending the Campania region into rapturous celebration.
Antonio Conte has dragged Napoli back from disaster and restored them to the top of Serie A but his future at the Scudetto winners is in doubt even after a triumphant season.
With second-placed Inter Milan also playing out a 2-2 draw against Lazio in a simultaneous kickoff, Napoli will head into their final match against Cagliari with a one-point advantage.
Antonio Conte's team are one step closer to a second league title in three seasons thanks to Giacomo Raspadori's well-struck free-kick in the 24th minute of a match which was briefly stopped by home fans' fiery protest against the league following the death of a beloved club physi
Two first-half goals from Scott McTominay helped Napoli to a 2-0 home success, sending them above defending champions Inter Milan in the standings after Simone Inzaghi's side stumbled to a shock 1-0 home loss against AS Roma.
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.
The win moved Napoli three points behind leaders Inter Milan, who beat Udinese 2-1, while third-placed Atalanta lost 1-0 at Fiorentina.
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.
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.
A brilliant header by Napoli striker Giovanni Simeone helped his side to seal a 2-1 win at AC Milan and return to the top of the Serie A table on Sunday.
Liverpool manager Jurgen Klopp said the Reds must "reinvent" themselves after a poor start to the season was compounded by a 4-1 defeat to Napoli in their Champions League opener on Wednesday.
New Chelsea signing Kalidou Koulibaly may not yet have had a chance to introduce the Premier League audience to his football skills but he has already gained fans' respect after he called former captain John Terry to ask for his shirt number.
Kalidou Koulibaly has said goodbye to Napoli as he nears a move to Chelsea, saying: “you have been everything for me”.
Napoli defender Kalidou Koulibaly scored an injury-time own goal to hand Juventus a 4-3 Serie A victory in Turin on Saturday after the visitors had fought back from three goals down.
Napoli, runners-up in three of the last four seasons, hit back from conceding a contentious early penalty to win 4-3 at new-look Fiorentina in a hugely entertaining start to their Serie A campaign on Saturday.
But the most emotional scenes came during Fiorentina's 3-1 defeat at Atalanta, who kept their hopes of Champions League football alive thanks to goals from Josip Ilicic, Alejandro Gomez and Robin Gosens.
Mohamed Salah's delightful first-half strike gave Liverpool a 1-0 win over Napoli at Anfield on Tuesday that sent them into the Champions League's last 16 and the Italian side crashing out.