Roma rallied from behind to beat Udinese 2-1 and return to second place in the Serie A table.
Napoli's hopes of Champions League qualification suffered a setback as they drew 2-2 at rock-bottom Parma in Serie A on Sunday.
Roberto Soriano struck twice as Sampdoria halted a six-match winless run with a 4-1 triumph at Udinese.
Udinese ensured they will compete in Serie A again next season after claiming a 1-0 victory at Hellas Verona on Sunday.
Carlos Tevez scored twice as Juventus beat Fiorentina 3-2 as the Serie A leaders closed in on a fourth straight title.
Inter Milan squeezed past nine-man Udinese to climb to seventh place in Serie A with a 2-1 victory at Stadio Friuli.