Originally Posted by GUWonder

US citizens resident only in the US commonly should try to avoid banking outside of the US; and where such US citizens try to bank overseas, things are more messy than ever before. This is because of the US Treasury/IRS requirements applicable to US persons and because of other USG rules used to push around foreign governments and foreign financial institutions.

That is to say, I doubt he maintains a personal bank account in most of the countries in which he plays. Just not worth the hassle, if the banks are even willing or able to put up with it.