Roma climbed to second place in the Serie A table with a 2-0 home triumph over Genoa on Sunday afternoon.
AC Milan fans spelled out their deepening frustration over the Serie A giants' malaise before the 3-1 defeat to Genoa.
Juventus will have to wait another week to secure their status as Serie A champions after falling to a 2-1 defeat at Torino.
Genoa resumed their late push for a place in the Europa League places by beating 10-man Cesena 3-1.
Neither side could find the net in the Milan derby, while Roma missed the chance to go second.