I haven't read this entire thread, so I apologize if someone has done this already.
I think the obvious weakest spot on the field Saturday was LB. Here's what we've lost from our recruiting classes in the past 5 years at LB, with their rivals ratings:
2009 A.J. Klein (No redshirt)
2009 Jake Knott (No redshirt)
2009 Princeton Jackson 5.5 (transfer)
2010 Floyd Mattison 5.6
2010 C.J. Morgan 5.4
2010 Dentrell Pate 5.2
2011 Donald Smith 5.5
2012 Adam Pavlenko 5.6
In contrast, here's who is still here that we recruited as a LB
2009 Willie Scott (now starting DE)
2010 Jeremiah George
2011 Jevohn Miller
2012 Kane Seeley, Darius White
2013 Justin Madison, Alton Meeks, Brian Mills, Justin Webster
The situation at LB is exactly what Rhoads named the biggest problem with recruiting at ISU. It isn't about who you don't get, it is about who you do get that don't pan out. The would-be fifth year players played right away or transferred right away, so they're all gone. From the fourth year players, we lost a 3-star and 2 2-star players. And each of the last 2 years have lost a 3-star to transfer.
This is why we have the issue at LB. Not because Rhoads hasn't brought in sufficient talent, but because the talent hasn't stayed. You can blame that on Rhoads if you want to, or not. But these are the facts.
I would argue that the biggest problem here is that we should have taken more than 2 LBs in the 2011 class, and Brackens should have moved to LB last year, but hindsight is 20/20.
Other than LB, the position hit the hardest is WR, losing 4 3-stars to transfer out of the last 5 classes, in addition to losing Josh Lenz since he did not redshirt. This is probably the #1 reason for our biggest weaknesses on both sides of the ball.