Napoli President Aurelio De Laurentiis has warned Juventus off any attempt to lure Walter Mazzarri to Turin this summer.
It's thought that Juventus will make another coaching change at the end of the season after a disappointing campaign under Gigi Del Neri.
"Mazzarri is my Coach and he is tied to us for another three and a half years," De Laurentiis said. "If Juventus want him, they can have him in 2016.
"A Coach who isn't on the market, isn't on the market. I already wanted him a year and a half before his appointment. I was delayed and now I will keep him."
Asked about Napoli's title challenge, he said: "We are tired and are going through a difficult period also because a fundamental player like Ezequiel Lavezzi was suspended.
"In certain circumstances a dip is normal. Now that we are no longer in Europe and have no more distractions I am convinced that we will play the final 10 games with a certain spirit.
"We are doing well, but we are not ready to win right away. Within four or five years we will fight with the others for the Scudetto on their level."
"The objective now is to improve upon the sixth place of last year," he concluded.
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