The Facts: Bush is questionable to return for the 49ers after slipping on the concrete and injuring his knee on a punt return early against the Rams.

Diehards Line: Bush was getting the start with Carlos Hyde ruled out earlier this week due to his injured foot. Mike Davis is next man up. Kendall Gaskins is the only other healthy halfback on the roster; he was promoted from the practice squad and Jarryd Hayne was released to make room for him.