Trey Sermon, RB (SF)

Diagnosed with concussion

Head coach Kyle Shanahan confirmed that Sermon sustained a concussion Sunday during the 49ers' 17-11 victory in Philadelphia, Nick Wagoner of ESPN.com reports.

After Elijah Mitchell suffered a shoulder injury in the second half Sunday, Sermon finally was called upon for his first NFL action. It didn't go well at all, with the rookie third-rounder taking an elbow to the helmet, fumbling in the process. The play ultimately was nullified by an Eagles penalty, but Sermon remained on the turf for a bit before going to the sideline and eventually the locker room. Now that he's in the concussion protocol, there's no telling when he'll be cleared for game action. As for the rest of the backfield, both Mitchell and JaMycal Hasty (ankle) have health concerns postgame, so the entire backfield bears monitoring as the 49ers prepare to host the Packers in Week 3.

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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.