Breida (ankle) didn't practice Wednesday, Cam Inman of The San Jose Mercury News reports.
Breida is expected to miss 1-to-2 weeks as a result of a low-ankle sprain, so his listing on Wednesday's injury report isn't a surprise. If he indeed takes a seat Sunday versus the Cardinals, the 49ers backfield will be down to Tevin Coleman, Raheem Mostert and Jeff Wilson.