Napoli midfielder Marek Hamsik has committed his future to the club until 2018 president Aurelio De Laurentiis has confirmed. The 26-year-old Slovakian has made 262 appearances for the Serie A side after signing from Brescia in 2007 and De Laurentiis described him as "a great player who honors the Napoli shirt". Via his official Twitter account the Azzurri chief added: "It is a shirt that Marek is happy to honor. We have renewed his contract extending it until 2018."