Inter Milan claimed their second successive league win with a 4-1 drubbing of Atalanta on Sunday afternoon.
A brace from Freddy Guarin and further strikes from Xherdan Shaqiri and Rodrigo Palacios handed Mancini's side all three points at the Stadio Atleti Azzurri d'Italia.
AS Roma's title hopes are beginning to fade, after they were held to 0-0 draw at home to Parma on Sunday afternoon.
Genoa were in a rampant mood as they thrashed Hellas Verona 5-2, with M'Baye Niang leading all scorers with his first half brace.
Omar El Kaddouri cancelled out Godfred Donsah's strike, as Torino and Cagliari played out to a 1-1 draw at the Stadio Olimpico on Sunday.
Lazio maintain their hopes of qualifying for a spot in Europe, after they edged past Udinese 1-0 thanks to a penalty from Antonio Candreva.
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