Some key players for both the Detroit Lions and Minnesota Vikings are working through injuries ahead of their Week 4 clash in Detroit. Matthew Stafford, Corey Williams, and Louis Delmas all missed practice on Wednesday, and of the three, only Stafford is expected to play against the Vikings. Delmas is still recovering from August knee surgery, and Williams just underwent surgery on his knee and won't be available against the Vikings.

Here is the full injury report from Wednesday, courtesy of detroitlions.com:

Detroit Lions

Did Not Participate
S Louis Delmas (Knee)
LB Travis Lewis (Quad)
TE Tony Scheffler (Calf)
QB Matthew Stafford (Hip)
DT Corey Williams (Knee)
WR Titus Young (Knee)

Limited Participation
LB Justin Durant (Back)
WR Calvin Johnson (Ankle)
RB Mikel Leshoure (Groin)
G Rob Sims (Knee)

Full Participation
T Corey Hilliard (Elbow)

Vikings

Did Not Participate
LB Erin Henderson (Concussion)
S Mistral Raymond (Ankle)
TE Kyle Rudolph (Quadriceps)

Limited Participation
DE Jared Allen (Neck)
DE D'Aundre Reed (Calf)
S Andrew Sendejo (Ankle)

Full Participation
LB Marvin Mitchell (Ankle)