November 20, 2011; San Francisco CA, USA; San Francisco 49ers strong safety Donte Whitner (31) dives for Arizona Cardinals wide receiver DeMarco Sampson (89) with San Francisco 49ers defensive back Chris Culliver (29) during the game at Candlestick Park. The San Francisco 49ers defeated the Arizona Cardinals 23-7. Mandatory Credit: Kelley L Cox-US PRESSWIRE