It is really early but here are my early guesses.
Micah Kiser LB, Obgonnia Okoronkwo OLB and Joseph Notebloom are close to sure bets
Brian Allen C or Jamil Demby G: Allen is close to a sure bet
John Kelly RB: Has a good shot even with Malcom Brown
I think that there will probably be 5 players that make it and possibly 6 with Franklin-Meyers or Lawler. A couple more will make the practice squad. If we get 4 eventual starters OO, Kiser, Notebloom and Allen this would be a home run draft. It seems like we have a chance for a few rotational players too. I also wouldn't be surprised if we trade out some of the fringe vets such as Westbrooks for late round picks so that we can make room for some of these guys. I am sure they would like to free up Barron's contract if say Littleton and Kiser show they are ready.
John Franklin-Myers DE or Justin Lawler DE or possibly neither
Sebastian Joseph DT - Maybe practice squad
Travin Howard LB: He is going to have to kill it. They almost have to create a hybrid S/LB position for him.
Trevon Young OLB: Has to kill it in camp, show he's healthy and still may need an injury