The USA-Iran match has lots of political undertones, as I know you are aware of. Maybe some people have this in mind picking their favourite in this match-up.
1) Inter - Milan
2) Lazio - Roma
3) Real - Barca
4) Valencia - Depor
5) Man Utd - Arsenal
6) Chelsea - Liverpool
7) Brazil - Argentina
8) England - Spain
9) France - Holland
10) USA - Iran