Kyle Shanahan gives ‘optimistic' injury update on 49ers star Christian McCaffrey

Kyle Shanahan sounded relieved when speaking about the injury that sidelined Christian McCaffrey in the 49ers 29-20 loss to the Atlanta Falcons on Sunday at Mercedes-Benz Stadium.  “He ended up having a mild hamstring strain,” Shanahan told local media via conference call on Monday. “Ended up not being the quad. Never know for sure, but we are pretty optimistic about it. So we will see.” The 49ers coach also provided an update on the multitude of San Francisco s injured players who nearly kept the team from being able to put together a full 48-man game-day roster against Atlanta. Shanahan is hopeful that the following players could return in Week 9, if everything goes according to plan during the 49ers Week 8 bye. WR Mike Evans (ribs/Achilles) DL Nick Bosa (knee/calf) WR Deebo Samuel (hamstring) LB Garrett Wallow (hamstring) S Marques Sigle (ankle) LB Luke Gifford (groin) WR Demarcus Robinson (ankle) DL CJ West (knee) “All those guys have a chance