Every year I get overhyped that some rookie is gonna come in here and replace/upgrade.  Statisticly don't 50% of 1st round WR's end up as a bust?  Don't know round taken for L Sweed or M Kelly, but are they better than Hurd?  I know the odds of getting a replacement decrease the lower the draft round.  I would like to upgade the 10 or 11 positions considered available and my draft hope springs eternal, but I can't see more than 4 or 5 max draftees replacing guys on the roster now who can play and contribute on special teams.  So, Realist Larry and you other bloggers that know more about this stuff than me, how many positions can we expect to improve with this draft.