(ANSA) - ROME, FEB 6 - Napoli continued their seemingly unstoppable march to the Serie A title, winning 3-0 at Spezia on Sunday to remain 13 points clear at the top of the table, while second-placed Inter beat champions AC Milan 1-0 in the northern city's derby.
    Georgian Khvicha Kvaratskhelia converted a penalty and Serie A's top scorer Victor Osimhen notched a double as the Naples side continued their strong form.
    Lautaro Martínez, a World Cup winner with Argentina, headed home the winner as Inter inflicted more pain on Milan, whose title defence is in tatters after a run of three straight defeats.
    Milan have dropped to sixth with 38 points, 18 adrift of Napoli.
    Jose Mourinho's AS Roma climbed to third on 40 points with a 2-0 home win over Empoli. (ANSA).