San Francisco 49ers Vernon Davis (85) carries the ball against the Minnesota Vikings in the first quarter at Candlestick Park in San Francisco, Calif., on
San Francisco 49ers Vernon Davis (85) carries the ball against the Minnesota Vikings in the first quarter at Candlestick Park in San Francisco, Calif., on Sunday, Aug. 25, 2013. (Josie Lepe/Bay Area News Group) (Josie Lepe)