There is no way that D-rob will be our NT next yr, he is WAY undersized for the 3-4. He can be a great DE, move him over, and put a big fat guy in at DT (Soliai please).
What is the secret bout Alan Branch that the entire NFL knows, but we don't? Drugs? Pictures with a donkey?
Technique, conditioning, and possible work ethic issues. Not to mention he only fits into certain schemes.