San Francisco 49ers running back Frank Gore (21) stands on the sideline during the fourth quarter of an NFL football game against the San Diego Chargers in Santa Clara, Calif., Saturday, Dec. 20, 2014.
San Francisco 49ers running back Frank Gore (21) stands on the sideline during the fourth quarter of an NFL football game against the San Diego Chargers in Santa Clara, Calif., Saturday, Dec. 20, 2014. Ben Margot AP
San Francisco 49ers running back Frank Gore (21) stands on the sideline during the fourth quarter of an NFL football game against the San Diego Chargers in Santa Clara, Calif., Saturday, Dec. 20, 2014. Ben Margot AP