FILE - In this Saturday, Jan. 7, 2017, file photo, Oakland Raiders coach Jack Del Rio walks on the field before the first half of an AFC wild card NFL football game between the Houston Texans and the Raiders in Houston. The Raiders rewarded Del Rio with a new four-year contract Friday, Feb. 10, 2017, replacing the original four-year deal he received when he took the job in January 2015. (AP Photo/Eric Christian Smith, File)