Laurence Maroney or Santonio Holmes, Jonathan Joseph, Nick Mangold
Joseph Addai or Greg Jennings, Ryan Cook, Andrew Whitworth
Jon Stewart or Joe Flacco, Branden Albert, Duane Brown, Rodgers-Cromartie
Felix Jones or well, anyone
Rashard Mendenhall or Duane Brown, Antoine Cason, Jordy Nelson
Knowshon Moreno or Brian Orakpo, Percy Harvin, Michael Oher, Clay Matthews, Hakeem Nicks
Donald Brown or Hakeem Nicks, Eric Wood, Kenny Britt
Beanie Wells or Jairus Byrd, Connor Barwin, Andy Levitre, Max Unger

Drafting a RB in the first round will almost always fail the BPA test in hindsight

I don't think the guys you listed were first round worthy just because they were drafted in the 1st.