According to the agent of Pierre Thomas, the 49ers have signed the veteran running back.
#NFL Pierre Thomas to the 49ers.
— Lamont Smith (@CLamontSmith) November 3, 2015
With Bush to IR, Mike Davis having hand surgery and Carlos Hyde most likely needing surgery as well. The 49ers now have Kendall Gaskins, Shaun Draughn and Pierre Thomas as their running backs.