Cagliari took full advantage of basement boys Parma's plight by plundering a vital 4-0 victory
Parma's long-awaited relegation to Serie B was mathematically confirmed as they succumbed to a 4-0 hammering at Lazio.
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.