John Mayer: Balls in the Bag?

6/6/2008 1:25 PM PDT BY TMZ STAFF
All that action Johnny boy is getting from Jennifer Aniston isn't makin' him grin, at least in public. He's gone from jokester to stiff.

He doesn't write, he doesn't call. Someone even called the cops yesterday. Careful, John. We don't want her turning you into another Tom Brady -- ERRAND BOY!!!!