Not practicing Wednesday

Mitchell (shoulder) won't take part in practice Wednesday, Cam Inman of The San Jose Mercury News reports.

Mitchell was forced out of the 49ers' Week 2 win at Philadelphia with a shoulder concern, but he returned when fellow rookie running back Trey Sermon suffered a concussion. In the interim, tests have revealed that Mitchell's injury is "a little worse than a stinger," but he "has a chance to go Sunday" against the Packers, coach Kyle Shanahan told David Lombardi of The Athletic. As the 49ers backfield currently stands, Raheem Mostert (knee) is on IR, JaMycal Hasty has a high-ankle sprain that's slated to sideline him for multiple games, and Sermon is progressing through the concussion protocol, seemingly making him the healthiest of the four. Trenton Cannon and Jacques Patrick are the only other RBs on the active roster, while Kerryon Johnson and Chris Thompson are candidates to be elevated from the practice squad.

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Raheem Mostert

RB | SF

Checks in for surgery

San Francisco head coach Kyle Shanahan said Mostert will undergo surgery Tuesday to address chipped cartilage in his left knee, David Lombardi of The Athletic reports.

Jimmy Garoppolo

QB | SF

Better odds to start Week 7?

Garoppolo (calf) may have a better chance to start after the 49ers' Week 6 bye following news that Trey Lance sprained his left knee during Sunday's 17-10 loss in Arizona, David Lombardi of The Athletic reports.

Trey Lance

QB | SF

Picks up sprained knee

Lance suffered a left knee sprain during Sunday's 17-10 loss at Arizona, leaving his status for the 49ers' next game Week 7 against the Colts, David Lombardi of The Athletic reports.

Trey Sermon

RB | SF

Reverts to backup role

Sermon was only on the field for two offensive snaps (three percent) Sunday, finishing with one carry for seven yards in a 17-10 loss to Arizona.