Lorenzo Insigne scored two and set up another as a stunning first-half performance saw Napoli blow Fiorentina away, winning 6-0 to move into the top four in Serie A on Sunday.

Napoli moved third, three points below Inter Milan and six below league leader AC Milan.

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Napoli's Lorenzo Insigne scores his side's first goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Lorenzo Insigne scored two and set up another as a stunning first-half performance saw Napoli blow Fiorentina away, winning 6-0 to move into the top four in Serie A on Sunday.

Napoli's Lorenzo Insigne, right,  celebrates after scoring his side's first goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

If Antonio Conte beats his former team, Inter would move top on goal difference ahead of Milan’s match at Cagliari on Monday.

Napoli's Diego Demme, left, scores his side's second goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Diego Demme doubled Napoli’s lead in the 36th following a classic counterattack and Insigne set up Hirving Lozano for the third two minutes later. The match was all but over when Piotr Zieliński added another on the stroke of halftime.

Napoli's Piotr Zielinsk, left,  celebrates with his teammate Lorenzo Insigne after scoring his side's fourth goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

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Fiorentna's coach Cesare Prandelli gives directions to his players during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Fiorentna's coach Cesare Prandelli gives directions to his players during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021. (Alessandro GarofaloLaPresse via AP)

The Milan teams still have to play this weekend but have played the same number of matches as Napoli. Inter welcomes nine-time champion Juventus later in the headline match of the weekend.

Napoli's Lorenzo Insigne scores his side's first goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Napoli's Lorenzo Insigne scores his side's first goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021. (Alessandro GarofaloLaPresse via AP)

If Antonio Conte beats his former team, Inter would move top on goal difference ahead of Milan’s match at Cagliari on Monday.

In Naples, Gennaro Gattuso’s team got off to a brilliant start as Insigne scored in the fifth minute.

Fiorentina had chances and hit the crossbar but Napoli was clinical with its opportunities.

Napoli's Lorenzo Insigne, right,  celebrates after scoring his side's first goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Napoli's Lorenzo Insigne, right, celebrates after scoring his side's first goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021. (Alessandro GarofaloLaPresse via AP)

Diego Demme doubled Napoli’s lead in the 36th following a classic counterattack and Insigne set up Hirving Lozano for the third two minutes later. The match was all but over when Piotr Zieliński added another on the stroke of halftime.

Insigne doubled his tally with a second-half penalty after Tiémoué Bakayoko was tripped by Fiorentina midfielder Gaetano Castrovilli.

Substitute Matteo Politano capped a dominating Napoli performance in the final minute.

Napoli's Diego Demme, left, scores his side's second goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Napoli's Diego Demme, left, scores his side's second goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021. (Alessandro GarofaloLaPresse via AP)

More AP soccer: https://apnews.com/Soccer and https://twitter.com/AP_Sports

Napoli's Piotr Zielinsk, left,  celebrates with his teammate Lorenzo Insigne after scoring his side's fourth goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Napoli's Piotr Zielinsk, left, celebrates with his teammate Lorenzo Insigne after scoring his side's fourth goal during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021. (Alessandro GarofaloLaPresse via AP)

Fiorentna's coach Cesare Prandelli gives directions to his players during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021.  (Alessandro GarofaloLaPresse via AP)

Fiorentna's coach Cesare Prandelli gives directions to his players during the serie A soccer match between Napoli and Fiorentina at the Diego Armando Maradona stadium in Naples, Italy, Sunday, Jan. 17, 2021. (Alessandro GarofaloLaPresse via AP)