The NFL announced today that the San Diego Chargers at Dallas Cowboys preseason game has been moved from Saturday, Aug. 20 to Sunday, Aug. 21, and will now be televised nationally on NBC beginning at 8 p.m. ET. On Monday, the league cancelled the Pro Football Hall of Fame game, which was previously scheduled to be broadcast on NBC on Sunday, Aug. 7. NBC’s second preseason game features the Oakland Raiders hosting Drew Brees and the New Orleans Saints on Sunday, Aug. 28 also at 8 p.m. ET.