Let's get inside the Friday injury report in the NFC North:
Detroit Lions: Receiver Calvin Johnson (knee) missed practice for the third consecutive day and is listed as probable, but indications are that he will be available for Sunday's game at the Jacksonville Jaguars. The Lions ruled out safeties Louis Delmas (knee) and Amari Spievey (concussion). Linebacker DeAndre Levy (hamstring) participated in a portion of practice and is questionable.
Green Bay Packers: Receiver Jordy Nelson tested his hamstring Friday morning but did not practice and is listed as questionable for Sunday's game against the Arizona Cardinals. The Packers declared six players out: Receiver Greg Jennings (groin), fullback John Kuhn (hamstring), linebacker Nick Perry (knee) cornerback Sam Shields (shin), cornerback Charles Woodson (collarbone) and defensive end Jerel Worthy (concussion). Safety Jerron McMillian had a sore back Friday, did not practice and is listed as questionable.
Minnesota Vikings: Tailback Adrian Peterson (ankle) sat out practice but will play Sunday at the Seattle Seahawks. Receiver Percy Harvin (family issue) returned to practice. Tight end John Carlson (concussion) won't play. Safety Mistral Raymond (ankle) is listed as questionable, but should be available for limited work.