JaMycal Hasty (ankle) out as 49ers search for RBs

San Francisco 49ers running back JaMycal Hasty will be sidelined multiple weeks after sustaining a high ankle sprain during Sunday's 17-11 road win over the Philadelphia Eagles.

Hasty's injury occurred in the fourth quarter. Further tests on Monday confirmed the diagnosis.

The loss of Hasty comes one week after starter Raheem Mostert was lost to a season-ending knee injury.

Hasty also wasn't the only San Francisco runn