San Francisco 49ers running back Frank Gore (21) celebrates after scoring on a one-yard touchdown run with quarterback Colin Kaepernick during the fourth quarter of an NFL football game against the Green Bay Packers in San Francisco, Sunday, Sept. 8, 2013. (AP Photo/Marcio Jose Sanchez)

Photo by: Marcio Jose Sanchez

San Francisco 49ers running back Frank Gore (21) celebrates after scoring on a one-yard touchdown run with quarterback Colin Kaepernick during the fourth quarter of an NFL football game against the Green Bay Packers in San Francisco, Sunday, Sept. 8, 2013. (AP Photo/Marcio Jose Sanchez)