A 7th-rounder, Givens has caught up fast FOXBOROUGH -- It began as a punch line for Tom Brady's satellite radio ad.  quot;I thought I was his favorite receiver, quot; David Givens says, as Troy Brown and Deion Branch glance at him askance. Right now, he is. Brady, the Patriots' diplomatic quarterback, likes to say that his favorite receiver is whoever's open. It just happens so far this season ...