Secco was in Germany yesterday and Tuttosport says he received a positive response from Van der Vaart's representatives about a move to Italy at the end of the season.
He is now preparing to open negotiations with Hamburg over a fee for the Dutchman, who has already informed his Bundesliga club he wants to leave in the summer.
Meanwhile, Juve are weighing up a bid for Sampdoria defender Stefano Lucchini.