Oakland Raiders defensive coordinator Ken Norton Jr., right, shouts as Oakland Raiders linebacker Josh Shirley, left, goes by during mini camp at an NFL football facility Wednesday, June 10, 2015, in Alameda.
Oakland Raiders defensive coordinator Ken Norton Jr., right, shouts as Oakland Raiders linebacker Josh Shirley, left, goes by during mini camp at an NFL football facility Wednesday, June 10, 2015, in Alameda. Eric Risberg The Associated Press
Oakland Raiders defensive coordinator Ken Norton Jr., right, shouts as Oakland Raiders linebacker Josh Shirley, left, goes by during mini camp at an NFL football facility Wednesday, June 10, 2015, in Alameda. Eric Risberg The Associated Press