Although the 4-2-3-1 is the system that Trap has gone with throughout the Euro qualis, he has played 4-3-1-2 in the last two friendly games and I think that's the tactic he'll be using in Portugal.
GK - Buffon, Toldo, Peruzzi
RB/LB - Panucci, Oddo, Zambrotta, Birindelli
CB - Cannavaro, Nesta, Ferrari, Adani/Materazzi
DM/CM - Pirlo, Perrotta, Zanetti, Gattuso
RM/LM - Camoranesi, Fiore
AM/FC - Baggio, Totti, Del Piero, Cassano
SC - Vieri, Gilardino
starting line-up:
Buffon (Toldo) - Panucci (Oddo), Nesta (Ferrari), Cannavaro (Materazzi), Zambrotta (Birindelli) - Camoranesi (Gattuso), Pirlo (Perrotta), Fiore (Zanetti) - Totti (Baggio) - Del Piero (Cassano), Vieri (Gilardino)