Moreno will be great when he's on the field, but he's probably going to get injured for significant chunks of the season. It is not pessimism or negativism to say so...that is simply the nature of the running back position.
The bizarre thing is that McDaniels said he is stocking up on RBs because the Broncos had seven RBs end up on IR last year...his thinking is completely backwards!
It is precisely because of the fact that the Broncos had seven RBs end up on IR last year that the very last thing in the world that the Broncos should do is draft a running back in the top half of the first round! I know that Moreno is not injury prone, but every year there are RBs with a prior reputation for durability who get injured.
Using a high pick on a RB is worthwhile only as a final piece of the puzzle, in other words to win a Super Bowl within a couple years. For the Broncos to win a Super Bowl any earlier than 2011 is unrealistic...they should have waited until at least 2011 to draft a stud RB if they really wanted one.
I know the Broncos later got Robert Ayers, but their defense has so many holes that they absolutely needed to use both first round picks on defenders.
What makes things even more ridiculous is the history at New England. How did McDaniels not realize that the one first round RB with the Patriots (Lawrence Maroney) ended up not being worth it.
Last year, the Patriots had injuries simultaneously at one point to Maroney, Sammy Morris, and Lamont Jordan, and they still won games with a practice squad player named Benjarvus Green-Ellis at RB. The success in New England never depended upon a having a stud running back...the most talented RB to play for the Patriots during the past decade was Corey Dillon, and even he lasted only two seasons.
What is the point of investing in a rotation of RBs (with the Broncos already having Buckhaulter, Arrington, Jordan, Hillis) when you then invest heavily on one single RB at No. 12 overall? What is the point of having Josh McDaniels run the offense, a coach with a reputation for being about "the system," if you make your chief talent acquisition (your highest pick in the draft) on offense instead of on the terrible defense?