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.
Inter Milan suffered their heaviest defeat of the season by losing 4-1 to Atalanta in Bergamo, days after drawing with Barcelona.
AC Milan scored a 97th-minute winner at Udinese through Alessio Romagnoli to regain fourth place in Serie A on Sunday.
Dries Mertens came off the bench to score a last-gasp equaliser as Napoli drew 1-1 at Roma in Serie A on Sunday.
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