If he is super good at under 13 get in touch with the USSF office in Chicago. They should have a list of Agents for Eastern European countries. Then they will watch him play and tell you if they want to represent him. We had a kid in from the Bronx who did that and went to Romania to play. There is not much money for a kid to play there unfortunely. I think clubs there are able to buy players for a few head of cattle