Arizona Cardinals cornerback Patrick Peterson (21) tackles San Francisco 49ers wide receiver Mario Manningham (82) during the first half of an NFL football game, Monday, Oct. 29, 2012, in Glendale, Ariz. (AP Photo/Matt York)

Photo by: Matt York

Arizona Cardinals cornerback Patrick Peterson (21) tackles San Francisco 49ers wide receiver Mario Manningham (82) during the first half of an NFL football game, Monday, Oct. 29, 2012, in Glendale, Ariz. (AP Photo/Matt York)