Juventus will have to wait another week to secure their status as Serie A champions after falling to a 2-1 defeat at Torino.
Antonio Nocerino scored a first-half penalty to hand bottom-side Parma a 1-0 home triumph over Palermo.
Neither side could find the net in the Milan derby, while Roma missed the chance to go second.
Ishak Belfodil struck a 73rd-minute equaliser as Parma denied Empoli a come-from-behind victory in Sunday's 2-2 draw.
Parma's financial failings have seen a further four points deducted from their Serie A total, leaving them stranded at the foot of the table.
Parma's surprise revival came to an end at Genoa as the Rossoblu claimed a 2-0 victory at the Stadio Luigi Ferraris.
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