"I've never thought about leaving Napoli because this championship is still one of the most beautiful, fascinating and difficult in the world," he told the Gazzetta dello Sport.
"All of the teams battle and it is not right to call it a mediocre championship. Tactically speaking, you always find well organised teams on every pitch.
"It is always hard to change city and clubs, but if clubs really wanted me then they would have made Napoli an offer they couldn't refuse. That didn't happen "