The Coppa Italia semi-finals begin tonight with fairy-tale side Alessandria making history against Milan, then Juventus take on Inter.
The semi-finals are the only round in the competition to be played over two legs.
The first leg of Alessandria v Milan kicks off tonight at 20.00 GMT at the Stadio Olimpico in Turin.
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This arena is used because Alessandria’s own stadium could not host such a big event, as the tiny club are in Lega Pro.
They are the first side from Italy’s third division to reach the Coppa Italia semi-final since Bari in 1984 and have already knocked out the likes of Palermo, Genoa and Roma’s conquerors Spezia.
Milan have everything to lose, as they are the over-riding favourites to progress and yet also need to rest some players for Sunday’s Serie A Derby della Madonnina.
The other semi-final on Wednesday at 19.45 GMT is between Juventus and Inter, a very special Derby d’Italia.