Most reports are now signaling:
QB - Allen, Keenum
RB - Singletary, Moss, Cook, Jones
FB - Gilliam
WR - Diggs, Davis, McKenzie, Crowder, Shakir, Kumerow
TE - Knox, Howard, Sweeney, Morris
OT - Dawkins, Quessenberry, Brown, Doyle
G - Saffold, Bates, Hart
C - Morse, Mancz
DE - Miller, Rousseau, Epenesa, Basham, Lawson
DT - Oliver, Jones, Settle, Phillips
LB - Edmunds, Milano, Dodson, Bernard, Matakevich, Spector
CB - White, Jackson, Johnson, Elam, Benford, Neal
S - Hyde, Poyer, Johnson, Hamlin
ST - Ferguson, Bass, Araiza
...for the initial roster. That's 54 so need to subtract one - White to the PUP would suffice.