playoff week lineup question

[tastyjuice]

having trouble deciding who to leave out

im in a standard scoring league with two rbs, two wrs, one te, and two flex plays

my roster consists of:
hb jamaal charles
alfred morris
vick ballard
darren sproles
wr calvin johnson
andre johnson
hakeem nicks
greg jennings
pierre garcon
cecil shorts
danario alexander
te jermaine gresham

[bandoogie]

hb jamaal charles
alfred morris
vick ballard
darren sproles
wr calvin johnson
andre johnson
hakeem nicks - might not play
greg jennings
pierre garcon
cecil shorts - might not play
danario alexander
te jermaine gresham - might not play

RB: charles
RB: morris
WR: calvin
WR: andre
TE: ?
FLEX: Garcon
FLEX: Vick Ballard