Sports betting is illegal in the United States except for in Nevada and Delaware, though Delaware does not currently have any sports books. Betting online also violates Federal laws because to use of phone lines makes it wire fraud. Will you be charged or caught? Probably not, but it is illegal.

I think you should be able to play. You can play at USA welcome sites such as listed at
Bookmaker is my favorite.
And since you cant deposit with normal visa card you can buy from stores all access prepaid visa gift card cause it doesnt have gambling filter.