To make this list, you must belong in the same sentence as Adrian Peterson.
When comparing Peterson to other NFL runners historically, you have to take the complete package. You have to realize that the sum is indeed greater than the parts when evaluating NFL talent. NFL talent is aggregate. It is qualities stacked on top of qualities—interest compounding itself.
To make this list, you must have some combination of absolutely elite natural, physical gifts. Overwhelming gifts apparent to the eyeballs of even the most casual observer. When we talk about "the best ever," we can't back it up with stats alone.
We all know what Peterson has overcome to get to this point in the 2012 season, but the fact is: here we are. Peterson has come back from ACL surgery better than he was before, and this conversation is now legitimately warranted.
Is Adrian Peterson the best, ever?