Calvin Johnson questionable for Sunday, Rashean Mathis out

Calvin Johnson did not participate in practice on Friday, his second day off this week. And even though Johnson said earlier in the week that he expects to play, the Detroit Lions have listed him as questionable for Week 10.

Johnson suffered and ankle injury toward the end of the Chiefs game. After sitting out of Monday's brief practice, Johnson was limited in practice on Wednesday and Thursday. But Johnson's absence on Friday is cause for real concern that he could miss Sunday's game against the Packers.

In addition to Johnson, Rashean Mathis has been declared out for Sunday's contest as he struggles to recover from a concussion.

Here is the Lions' full injury report:

CB Rashean Mathis (concussion) - Out
WR Calvin Johnson (ankle) - Questionable
S Isa Abdul-Quddus (foot) - Questionable
S James Ihedigbo (shoulder) - Probable
LB Travis Lewis (groin) - Probable
CB Darius Slay (head)  - Probable
CB Josh Wilson (neck) - Probable

In addition, here is the Packers' full injury report:

LB Mike Neal (hip) - Questionable
CB Sam Shields (shoulder) - Questionable
WR Ty Montgomery (ankle) - Questionable
RB Eddie Lacy (groin) - Questionable
T Bryan Bulaga (knee) - Probable
CB Casey Hayward (concussion) - Probable
DB Micah Hyde (quad) - Probable
S Morgan Burnett (ankle) - Probable
WR James Jones (quad) - Probable
G Josh Sitton (back) - Probable
CB Damarious Randall (illness) - Probable
LB Nick Perry (shoulder/hand) - Probable
LB Clay Matthews (ankle/knee) - Probable
CB Quinten Rollins (neck) - Probable
G T.J. Lang (back) - Probable