49ers RB Elijah Mitchell is expected to miss "a few weeks (or more)" with the knee injury he suffered in Sunday's opener vs. the Bears, per NFL Network's Ian Rapoport. Mitchell is undergoing an MRI on Monday to get a full view of the damage to the knee. We should get a more concrete timeline for his return over the next couple days, but fantasy owners need to start making replacement plans. Jeff Wilson is the favorite to take over as San Francisco's lead RB, but Jordan Mason and Ty Davis-Price are also worth stashing.

49ers RB Elijah Mitchell (knee) is inactive for today’s game vs. the Cardinals. RBs Jordan Mason and Ty Davis-Price are active to spell workhorse RB Christian McCaffrey.

49ers RB Elijah Mitchell (knee) is not expected to play vs. the Cardinals today, per ESPN's Adam Schefter. Mitchell injured his knee in Thursday's practice and did not practice on Friday. His absence could mean an extra touch or two for RB Christian McCaffrey. Jordan Mason and Ty Davis-Price figure to be active behind CMC.

49ers RB Elijah Mitchell (knee) is listed as questionable for this weekend's game vs. the Cardinals. He reportedly hurt his knee in Thursday's practice and did not practice on Friday. Mitchell's absence on Sunday would leave Jordan Mason as San Francisco's No. 2 RB.

The 49ers got RB Elijah Mitchell back at practice Monday after a nearly three-week absence for an adductor injury. According to Jack Hammer (yes, really) of the Santa Rosa Press-Democrat, Mitchell "looked explosive." Expect Mitchell to remain No. 2 on the RB depth chart, barring any setbacks. See where he sits in our RB rankings.

49ers RB Elijah Mitchell is dealing with an adductor strain that’ll sideline him for about one week, per HC Kyle Shanahan. Mitchell’s extensive injury history remains a concern in Year 3. He should still fill a part-time role behind Christian McCaffrey when healthy, though. Current projections have Mitchell for about 8 touches per game.