Inter Milan returned to the top of Serie A with a comfortable 4-0 home win over Frosinone on Sunday evening.
Fiorentina returned to the Serie A summit with victory at Sampdoria on Sunday, while Lazio lost to Roma in the Rome derby.
Fiorentina claimed a handsome 4-1 victory over Frosinone at the Stadio Artemio Franchi to move top of Serie A.
Roma cruised to a 3-1 win against Udinese at the Stadio Olimpico to return to the top of Serie A.
Gianluigi Donnarumma made history on Sunday by becoming the youngest goalkeeper ever to start a match in Serie A.
Gonzalo Higuain's goal saw Napoli beat Serie A leaders Fiorentina 2-1, while Lazio were beaten 2-1 by Sassuolo.