^ Murray's always going to get teased for that. I think it's just a funny habit of his, and lots of players have them. Someone had an interesting explanation once: blame a body-part and not your head, and it helps you move on. I think that's ok.
@kskate: Either the tournament organizers were too nervous to bring up Serena's shorts, or they were afraid that the only other option was to borrow the "nude-colored" ones from Venus. :laydownlaughing