DL is going to be needed to be address. If Hatcher is brought back, we at least have one interior lineman position solidified. We will have Crawford and Bass back next year, so that will help the rotation. It remains to be seen if they can develop into anything other than role players. Hayden isn't anything special, but could find himself with a roster spot due to a lack of any other real options at the 1 technique. Although, if their original intention was to make Hatcher the 1 and Ratliff the 3, maybe that is what they would be doing next year? Hard to say. Either way, we will have at least 2 players added to the rotation inside after sitting out this year due to injury.
Of course, if they let Hatcher go, they may need to grab a few DTs.
At DE; similar issues exist. Ware has been injured this year. The depth behind him is terrible. Selvie is JAG. He is filling in admirably, but an upgrade is needed. He wouldn't be bad to keep as depth, but if he isn't on the team next year, so be it. We can get better there, too.
Safety... I hope Church and Wilcox can get healthy in a hurry. The team needs to see them in action to see if either are a long term solution.... of if one/both need to be replaced. That could be another need, too.
RB. Murray can't be counted on to stay healthy. The talent behind him is non existent. RB could be a need.
TE. Just kidding.
WR. If Austin is let go, I wouldn't be the least bit surprised to see Dallas draft a WR in the mid rounds with some size and potential. They would need another outside receiver if Dez or Terrance went down to injury.
OG - That's the most commonly cited need along the OL. I wouldn't mind seeing a OT brought in, as well.
Punter. Another need.