Juventus clinched a record sixth straight Serie A title with a 3-0 win over Crotone in the penultimate round on Sunday.
Lazio's bid to gatecrash the Champions League places was thwarted as Fiorentina beat them 3-2 on Saturday.
Napoli took advantage of Roma's derby defeat to close to within one point of second place in Serie A with victory over Inter Milan.
Juventus hit a bump in the road on their mission to wrap up the Serie A title as Remo Freuler struck late on to force a 2-2 draw for Atalanta.
Mauro Icardi scored a hat-trick but Inter Milan lost 5-4 to Fiorentina in a thrilling Serie A match in Florence.
Juve extended their lead at the top of Serie A after beating Pescara 2-0 to strengthen their grip on a sixth straight Scudetto title.