The NFL's concussion protocol mandates that Lacy has to be cleared by an independent doctor before he can return to practice or game action. His status for Week 2 is unknown, though he was present at practice, which could be a sign he is progressing.
Lacy, had 12 carries for just 34 yards in the Packers' 36-16 loss to Seattle after a rookie season that saw him rush for 1,178 yards and 11 touchdowns.
Green Bay hosts the New York Jets on Sunday in Week 2.
- Ben Estes