Victor Osimhen was on target as Napoli won their first Scudetto in 33 years following a 1-1 draw against Udinese on Thursday night.
Sandi Lovric gave Udinese the lead in the 13th minute.
Osimhen equalised for Napoli in the 52nd minute.
The 24-year-old is now the all-time African goal scorer in a single Serie A season.
He has also broken Samuel Eto’o record for the most goals scored by an African player in a single Serie A season with 22 goals.
Napoli last won the Serie A title in 1990.
