Hellas Verona rallied from behind to beat Empoli 2-1 and enhance their chances of finishing in the top half.
Napoli's hopes of Champions League qualification suffered a setback as they drew 2-2 at rock-bottom Parma in Serie A on Sunday.
Chievo and Hellas Verona drew 2-2 in Sunday's derby with all of the goals scored in a thrilling first half.
Udinese ensured they will compete in Serie A again next season after claiming a 1-0 victory at Hellas Verona on Sunday.
Sampdoria were held to a 1-1 draw at home by Hellas Verona in Serie A on Wednesday night.
Juventus will have to wait another week to secure their status as Serie A champions after falling to a 2-1 defeat at Torino.