Way too early final 53:
QB: Allen, Trubisky
RB: Cook, Davis, T Johnson, Gilliam (FB)
WR: Coleman, Samuel, Shakir, Hollins, X
(X = any number of guys currently on the roster, or a FA)
TE: Knox, Kincaid, Morris
OT: Dawkins, Brown, Collins, Van Demark
IOL: McGovern, Torrence, D Edwards, Van Pran, Clapp/Anderson
DL: Oliver, Jones, Carter, A Johnson, D Williams
EDGE: Rousseau, Epenesa, Miller, Solomon, X
(X = Toohill, Jonathan or a FA)
LB: Milano, Bernard, D Williams, Morrow, Spector/Ulofoshio
CB: Douglas, Benford, Elam, Ingram/FA
NB: T Johnson, Lewis
S: Rapp, M Edwards, Bishop, Hamlin
K: Bass
P: Any of the three guys on the roster
LS: Ferguson
KR/PR: Hardy
Offence: 23
Defence: 25
ST: 4
Total: 52
Plus one wild card (eg an extra WR, extra OL, etc).