Buffon
Caceres Legrottaglie Chiellini Grosso
Marrone Melo De Cegli
Giovinco
Trezeguet Amauri/Iaquinta
I wouldn't risk either Diego or Del Piero to start this game if fit. They can go in for the last 15 or 20 min but not more, especially for Del Piero.
As for Marchisio, the guy...