 He successively spent the second part of the season on loan to another Serie A club, Siena.In August 2013 he was signed as a free agent by newly promoted Serie B club Trapani.After earning his first senior international call-up under manager Roberto Donadoni in August 2006, Terlizzi made his debut for the Italy national football team on 16 August, in a 2–0 friendly defeat against Croatia, in Livorno.