Genoa 2-3 Lazio: Lazio hot on heels of Juve after win
Wojciech Szczesny made a costly error on Saturday, but the Poland goalkeeper remains ahead of Gianluigi Buffon.
Milan are reportedly ready to pounce for Napoli captain Lorenzo Insigne.
Antonio Conte insisted securing the victory was all that mattered against Sassuolo after Inter recorded just 30 per cent possession.
Juventus made it nine wins in 10 home Serie A matches against Napoli thanks to goals from Cristiano Ronaldo and Paulo Dybala.
Inter saw off Sassuolo in Wednesday's rescheduled Serie A clash thanks to goals in either half from Romelu Lukaku and Lautaro Martinez.