Dries Mertens Hatrick Goal - Cagliari Calcio 0-5 Napoli - (11/12/2016) Dries Mertens Hatrick Goal - Cagliari Calcio 0-5 Napoli - (11/12/2016) Dries Mertens Hatrick Goal - Cagliari Calcio 0-5 Napoli - (11/12/2016)