Simone Verdi ensured Carpi had to be dragged back into Serie B kicking and screaming as they secured a 2-1 victory at Udinese.
Francesco Totti made his 600th Serie A appearance as Roma moved up to second spot with a 3-0 win over Chievo.
Udinese's Serie A status remains in doubt after a resounding 5-1 defeat at the hands of Torino at the Stadio Friuli.
Juventus are closing in on a fifth consecutive Serie A title after emerging victorious from a gritty game with Fiorentina.
Juventus moved a step closer to a fifth straight Serie A title after pulling nine points clear with a 4-0 win over Palermo.
Napoli are back within six points of Serie A leaders Juventus after beating bottom club Hellas Verona 3-0 on Sunday.