Lavezzi has impressed in the Serie A since joining Napoli from San Lorenzo last summer.
The 23-year-old has been linked with a move to Chelsea.
“Of course we are very proud of the interest that Chelsea have shown in Ezequiel,” Rossetto told Radio La Red.
“That shows to everyone how important he is and how he managed to win a place at Napoli.
“But Ezequiel is in a great team and he wants to respect his contract that he has signed until 2013.
“In addition, I don’t think that the board members want to transfer Ezequiel at this moment.”
