New Orleans Saints running back Travaris Cadet (39) is knocked out of bounds by Kansas City Chiefs free safety Bradley McDougald (48) during the second half of an NFL preseason football game at the Mercedes-Benz Superdome in New Orleans, Friday, Aug. 9, 2013. (AP Photo/Matthew Hinton)

Chiefs make roster moves

Kansas safety Bradley McDougald was signed by the Kansas City Chiefs to replace the injured Sanders Commings on the roster.

49ers top AP power rankings, Raiders last

NEW YORK (AP) — The San Francisco 49ers top the AP Pro32 power rankings as the NFL begins its 2013 season. Losers in the Super Bowl last Feb…