Alfonso Smith

6m

SANTA CLARA –- While running back Frank Gore going through the NFL’s concussion protocol on a short week, 49ers backup Carlos Hyde said he does not expect to be available either Saturday night.

7m

Programming note: For comprehensive 49ers coverage, watch SportsNet Central today at 6, 10:30 p.m. and midnight on Comcast SportsNet Bay Area

11m

UPDATE (7:30 a.m. Tuesday) -- The 49ers officially announced their one-year contract with running back Alfonso Smith Tuesday morning.