Running backs LaMichael James and Brandon Jacobs are still recovering from injuries suffered in an exhibition game against the Houston Texans.
Wide receiver Ted Ginn Jr. is out with an ankle injury he suffered against the Denver Broncos. Jacobs and Ginn Jr. made the trip to Green Bay and were expected to be game time decisions.
The rest of the inactive 49ers are backup quarterback Scott Tolzien, guard Joe Looney, tight end Garrett Celek and nose tackle Ian Williams.
The following Packers players were also declared inactive for the game:
Wide receiver Jarrett Boykin
Safety Sean Richardson
Cornerbacks Davon House and Brandian Ross
Running back James Starks
Linebacker Jamari Lattimore
Tackle Mike Daniels
Talk about the big Week 1 49ers matchup with other fans by heading on over to Niners Nation. Talk about the game with Packers fans at Acme Packing Company. Hit up the SB Nation NFL hub for more comprehensive pro football coverage.