Yesterday saw the sixth top of the rotation starter traded since this winter.  I know conventional wisdom says top-of-the-rotation starters are gold, and it is building towards the same value of prospects.  However, I am not sure this balance of value isn't tilting towards the prospect side.
Look at the progression of value received for the starters.  Other than Johan Santana, every one of them is under their acquring team's control through 2009 at a minimum.
The...