Career
He currently plays for Renate. Born in Paderno Dugnano, the province of Milan, Napoli started his career at Pro Sesto of Serie C1. He was signed by the Internazionale Primavera in a co-ownership deal in January 2007, for a fee about €70,000 (in part-player swap: Marco Dalla Costa and Daniele Federici), but was loaned back to Pro Sesto for the second half of the 2006–2007 season.
He officially became a player of the Nerazzurri Primavera on 1 July 2007.
He made his first team debut against Reggina Calcio on 19 December 2007. Napoli wore no.46 (of 1st team) in 2007-2008 season.
The Primavera League regular season team top-scorer in both 2007-2008 and 2008-2009 season, Napoli was purchased outright by Inter on 30 January 2009. In July 2009, along with Primavera team-mate Cristian Daminuţă and Enrico Alfonso, they were loaned to Serie B side Modena.
He was awarded a no.11 shirt.
He collected 23 league appearances, started 12 times for the team which finished in mid-table. In 2010-2011 season he left for F.C. Crotone along with Vid Belec. In July 2011 he was sold to Serie B newcomer Juve Stabia in co-ownership deal, joining Cristiano Biraghi.
However on 31 August he returned to Inter without any appearances with Juve Stabia.In January 2012 joined on loan to Prato in Lega Pro Prima Divisione and he scored the decisive goal in the play-out Vs Piacenza.
In July 2012 Prato finally hired him definitely. In July 2013 he signed a two years contract with A.C. (before Christ) Pisa 1909.
On 14 July 2015 he was signed by Renate.
