49ers running back Frank Gore runs as fullback Bruce Miller blocks Arizona linebacker Daryl Washington during the first half of an NFL football game in San Francisco, Sunday, Oct. 13, 2013.
49ers running back Frank Gore runs as fullback Bruce Miller blocks Arizona linebacker Daryl Washington during the first half of an NFL football game in San Francisco, Sunday, Oct. 13, 2013. Marcio Jose Sanchez AP
49ers running back Frank Gore runs as fullback Bruce Miller blocks Arizona linebacker Daryl Washington during the first half of an NFL football game in San Francisco, Sunday, Oct. 13, 2013. Marcio Jose Sanchez AP