 Sampdoria in a co-ownership bid, for €1.5 million, along with Pietro Accardi (€2 million) and Massimo Bonanni (50% for €2 million), as part of the deal that saw Aimo Diana (€5 million) and Marco Pisano (€4 million) transfer in the opposite direction.Terlizzi made his Italy national team debut, and only international appearance, in a friendly match against Croatia, on 16 August 2006, together with Sampdoria teammates Giulio Falcone, Gennaro Delvecchio and Angelo Palombo, in a 0–2 loss under new manager Roberto Donadoni.For Sampdoria, however he just played 4 league games, in part due to an injury-ridden season.