49ers injury updates: Robert Jones might miss the preseason finale

San Francisco 49ers head coach Kyle Shanahan provided injury updates after Thursday night’s preseason game: CB Renardo Green (hamstring) Austen Pleasants (knee) Nick Martin (hamstring) The 49ers will get further imaging on Green’s hamstring on Friday to see if he pulled it. That would be the worst-case scenario for an already thin cornerback room. Green […]