Long story, but the bottom line is Umbro.com and USL were sharing a server, Umbro.com (not Umbro itself) was liquidated by Sportsio.com (read here for more on this
http://pdlsoccer.com/uslsoccer.htm ) - I presume the server was sold, whether there is a backup of the data I have no clue (I believe there is, though) and right now Umbro.com owns the uslsoccer.com domain name - I heard from a guy at Umbro.com that the USL is taking them to court over the domain name and/or data, and I heard from the USL that they are in court in the UK over the domain name.
Just in case nothing is resolved, I have purchased usl-soccer.com and usl-soccer.net and uslonline.com and I will gladly give them to the USL so we can get on with business. We did not want some wiseguy to go in and get those domains and hold them for ransom.
That is probably more information than you wanted.