Soccer: Roma and Napoli maintain perfect records to stay top
Lazio beaten in Rome derby, Milan defeated at San Siro23 September, 10:43
Roma avenged last season's defeat to their city rivals in the Italian Cup final and ended a run of five derbies without victory with a deserved 2-0 triumph at the Stadio Olimpico.
Napoli, who are level with Roma with 12 points from four games, sank Milan 2-1 away from home for their first win at the San Siro since in 1986 during the glory years of Diego Maradona.
Inter Milan, Fiorentina and Serie A champions Juventus are two points off the pace after they all notched wins at the weekend.
Inter thumped Sassuolo 7-0 for their biggest ever away win in the Italian top flight.
Juventus came from behind to beat Hellas Verona 2-1 at home and Fiorentina won 2-0 at Atalanta.
Injury-hit Milan's defeat leaves them eight points behind the leaders in 11th place.