The Facts: Following up on the previous item. ... Bush is believed to have suffered a torn ACL, sources say.
Diehards Line:According to NFL Network's Ian Rapoport, Bush will have an MRI to confirm. With Carlos Hyde dealing with a stress fracture in his foot -- and injury that sidelined him today -- the Niners are left with Mike Davis and Kendall Gaskins as their only healthy halfbacks. ... We will, of course, continue to follow up.