Just to tie those closely linked up:
Marcel Buchel (Siena), 19, Austrian attacking midfielder
Martin Asiedu (Novara), 18, Nigerian striker
Nicolò Bianchi (Novara), 18, Italian midfielder
Tommaso Priviero (Novara), 18, Italian midfielder
Filip Djuricic (Heerenveen), 18, Serbian midfielder
Simone Zaza (Atalanta), 18, Italian striker
Niccolò Giannetti (Siena), 19, Italian striker
Leonardo Spinazzola (Siena), 17, Italian striker
Marco Costantino (Spal), 19, Italian goalkeeper (says he has signed)
Also rumoured:
Adama Diakite (Padova), 16, Ivorian-Italian striker (new Balotelli

)
Giorgio Bellucci (Lanciano), 18, Italian goalkeeper
Raffaele Maiorano (Torino), 18, Italian striker
Several other 15/16 year olds have come in for trials.