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