Don't panic if another team takes him before you had him valued at. This only means that he has missed some better players and your team will be that much stronger. Teams may give out false information to get you to pick players or positions early. Stick to your plan, not someone else's. So not give up on players that are proven in the past to soon.
Some players start off slow.
Check the waiver wires weekly for bargains and try to add any hot running back surprises.