The Detroit Lions will yet again have to depend on backups in the secondary. On Sunday against the Minnesota Vikings, the Lions will be without safeties Louis Delmas and Amari Spievey, who remain out with injuries. Delmas is still recovering from a knee injury, whereas Spievey hasn't yet been cleared to return from a concussion.

Here's a look at the full Lions injury report:

RB Mikel Leshoure (Ankle) - Probable
WR Calvin Johnson (Knee) - Questionable
WR Titus Young (Knee) - Questionable
OT Corey Hilliard (Knee) - Questionable
DE Cliff Avril (Back) - Questionable
DT Corey Williams (Knee) - Questionable
LB DeAndre Levy (Hamstring) - Probable
LB Stephen Tulloch (Knee) - Probable
CB Chris Houston (Illness) - Probable
S Louis Delmas (Knee) - Out
S Amari Spievey (Concussion) - Out
S Erik Coleman (Toe) - Probable

And here's a look at the Vikings' injury report:

RB Adrian Peterson (Ankle/illness) - Probable
FB Jerome Felton (Shoulder) - Probable
WR Jerome Simpson (Calf) - Probable
WR Percy Harvin (Ankle) - Doubtful
TE John Carlson (Concussion) - Probable
OT Matt Kalil (Knee) - Probable
DE Jared Allen (Shoulder) - Probable
DT Letroy Guion (Foot) - Doubtful
CB Antoine Winfield (Knee) - Probable
S Mistral Raymond (Ankle) - Probable
S Jamarca Sanford (Knee) - Probable
P Chris Kluwe (Left knee) - Probable

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