Inter Milan moved a step closer to ending Juventus' nine-year stranglehold of the Serie A title by beating Sassuolo to move 11 points clear at the top of the table.
Romelu Lukaku headed home the opener for Antonio Conte's side before Lautaro Martinez made it 2-0 on the counter.
Hamed Traore curled home a late consolation for Sassuolo.
Juventus also won as they beat Napoli 2-1 to climb into third place, one point behind AC Milan in second.