Substitute Lautaro Martinez scored Inter Milan's first Serie A goal this year to give them a much-needed 1-0 win at Parma on Saturday.
Gervinho scored twice as Parma came back from 3-1 down to draw 3-3 at Serie A leaders Juventus on Saturday.
Third-placed Inter Milan missed the chance to put pressure on the teams above them as they were held to a goalless draw by Sassuolo.
Cristiano Ronaldo scored twice as Juventus sealed a dramatic 2-1 win over Sampdoria.
Cristiano Ronaldo came off the bench to score a late equaliser as 10-man Juventus salvaged a 2-2 draw at Atalanta.
Sassuolo and Fiorentina had to settle for a point each from a thrilling 3-3 draw, while AC Milan and Torino played out a goalless draw.
Franck Kessie fired AC Milan to back-to-back wins and up to fourth place in Serie A as his late penalty downed Parma 2-1 at San Siro.
Napoli lost further ground on Serie A leaders Juventus after they could only manage a goalless draw at home to bottom club Chievo.
Napoli overcame a torrential downpour to come from behind and win 2-1 at Genoa in Serie A on Saturday.
AC Milan scored a 97th-minute winner at Udinese through Alessio Romagnoli to regain fourth place in Serie A on Sunday.
Lazio left it late but picked up their seventh win in nine league games with a 2-0 victory at Parma.
Fiorentina shrugged off their midweek defeat to Inter Milan and reclaim third place in Serie A with a 2-0 win over Atalanta.
Three goals were ruled out by VAR before Inter Milan's Marcelo Brozovic snatched a dramatic last-gasp 1-0 win at Sampdoria on Saturday.
Inter Milan's woes in Serie A were compounded with a shock 1-0 defeat to Parma on Saturday ahead of their Champions League opener against Tottenham.
Blaise Matuidi scored the winner as Juventus beat Parma 2-1 to continue their perfect start to the Serie A season.
Big-spending Inter Milan lost 1-0 at Sassulo on Sunday, as Roma and SPAL both chalked up away victories.
With Benjamin Mendy joining Man City, we look at the world's most expensive team of players based on their transfer fees.
Serie A champions Juventus saw their 47-match unbeaten home league record come to an end against Udinese.
Italian club Parma are desperately battling for survival and are auctioning seven trophies to raise some much-needed funds.
Parma are set to drop into Italy's amateur leagues after administrators received no takeover offers prior to a deadline.