Goran Pandev and Mattia Perin were the Genoa heroes, along with the woodwork, as Napoli capitulated at Marassi.
The 37-year-old refused to celebrate against his former club, even though it was his first Serie A brace since 2013.
He pounced on an error playing out from the back for the first goal, then the second was the culmination of a long Grifone passing move.
Goran Pandev and Mattia Perin were the Genoa heroes, along with the woodwork, as Napoli capitulated at Marassi.
The 37-year-old refused to celebrate against his former club, even though it was his first Serie A brace since 2013.
He pounced on an error playing out from the back for the first goal, then the second was the culmination of a long Grifone passing move.
Perin performed heroics in goal, with the woodwork rescuing him from Andrea Petagna’s header and a Lorenzo Insigne volley.
Matteo Politano drilled in late on for Napoli, but it was too little, too late.