Getting surgery, season over
Mostert announced Tuesday via his personal Twitter account that he will undergo season-ending knee surgery.
Though 49ers head coach Kyle Shanahan estimated Monday that Mostert would require an arthroscopic procedure and miss about eight weeks after sustaining chipped cartilage in his knee in the team's season-opening win over the Lions, the running back is instead electing to undergo what's believed to be a full meniscus repair, per Mike Garafolo of NFL Network. While the surgery will necessitate a longer recovery timeline, Mostert should have a brighter long-term health outlook than if he had returned in the second half of the season and continued to play through the knee issue. Expect the 49ers to officially place Mostert on season-ending injured reserve later this week, paving the way for Elijah Mitchell, Trey Sermon and JaMycal Hasty to lead the ground game.
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Sermon (concussion) practiced in a limited capacity Thursday, Jennifer Lee Chan of NBC Sports Bay Area reports.
Mitchell (shoulder) didn't practice Thursday, Jennifer Lee Chan of NBC Sports Bay Area reports.
Mitchell (shoulder) wasn't present at the start of Thursday's practice, Matt Barrows of The Athletic reports.
Sermon (concussion) was a limited practice participant Wednesday, Matt Barrows of The Athletic reports.
Sermon (concussion) is in line to practice on a limited basis Wednesday, Cam Inman of The San Jose Mercury News reports.
Mitchell (shoulder) won't take part in practice Wednesday, Cam Inman of The San Jose Mercury News reports.
Thompson signed with the 49ers' practice squad Wednesday, Matt Maiocco of NBC Sports Bay Area reports.
Patrick will be signed by the 49ers on Tuesday off the Bengals' practice squad, Tom Pelissero of NFL Network reports.
Cannon could see his role expand with all three running backs ahead of him on the depth chart dealing with injuries.
Sanu failed to haul in his lone target in Sunday's 17-11 win over the Eagles.