Marek Hamsik is happy to have committed his future to Napoli.

The midfielder put pen to paper on a new deal last week that will hold him until June 2016.

"I signed because I believe in Napoli and I'm happy here," the Slovak international told Sky Sport Italia.

"Would I prefer third place or the Coppa Italia? I want it all! It's a shame we went out of the Champions League, but we did well in that competition and want to continue that next season.

"If we win the Coppa Italia, I pledge to cut off my hair..."