I have not seen the news anywhere else, but Villarreal has apparently been confirmed as the opponent for the MLS All-Star game on July 29, 2009, in Salt Lake City, Utah.
I will keep my eyes out for some further confirmation and post it here when I can.
For those who do not know how the All-Star game works, it is somewhat atypical. The all-stars from Major League Soccer are all put on a single team, and then they are matched up against a foreign club brought into the States.
Inevitably, the clubs who do this tend to play a couple of other matches while they are in the US, so I will be keen to find out what the rest of Villarreal's plans are, if AS' story is true.