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Mertens makes it 3-1 Napoli with a brilliant finish (1:12)

Italian Serie A: Dries Mertens (64') Napoli 3-1 Empoli (1:12)

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Mertens' solo effort doubles Napoli's lead (0:57)

Italian Serie A: Dries Mertens (38') Napoli 2-0 Empoli (0:57)

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Koulibaly sets up Insigne for Napoli opener (1:01)

Italian Serie A: Lorenzo Insigne (9') Napoli 1-0 Empoli (1:01)