Al Davis was `` a true legend , '' NFL commissioner says . Al Davis was the owner of the Oakland Raiders . He died in 2011 at age 84 after battling Alzheimers for several years. The cause of death was not immediately known .
Al Davis was `` a true legend , '' NFL commissioner says . Al Davis was the owner of the Oakland Raiders . He had a six-decade career in professional football . The cause of death was not immediately known .