San Francisco 49ers' Qwuantrezz Knight during an NFL preseason
See best photos as San Francisco 49ers play the Green Bay Packers
Green Bay Packers' Jonathan Ford before an NFL preseason football
San Francisco 49ers cornerback Qwuantrezz Knight (43) warms up
See best photos as San Francisco 49ers play the Green Bay Packers
San Francisco 49ers' Qwuantrezz Knight during an NFL preseason
49ers vs. Packers - Levi's® Stadium
San Francisco will put Cowboys to the test on Sunday night
San Francisco 49ers cornerback Qwuantrezz Knight (43) warms up
San Francisco 49ers' Tomasi Laulile during an NFL preseason
San Francisco 49ers' Kemoko Turay during an NFL preseason football