Jon Gruden Net Worth NetWorth.ai 6 years ago Oakland Raiders head coach Jon Gruden observes players during practice at their training facility in Napa Valley, Calif., August 7, 2018. The Raiders invited Travis Air Force Base Airmen to attend camp and were treated to a scrimmage between the Raiders and Detroit Lions and a meet and greet autograph session with players and coaches from both teams. (U.S. Air Force photo by Louis Briscese)