OXNARD, CA - The first workouts of the new NFL season for the Dallas Cowboys are in the book.  Opening training camp action began on Monday with plenty of enthusiasm from the top of the organization to the players to the fans.  Much of the enthusiasm stems from confidence in second-year quarterback Dak Prescott.  The Mississippi State product was a steady influence in leading the Cowboys back to the post-season.  CHANNEL 5 Sports Director Joel Villanueva is in California to cover training camp.  He has the latest on Prescott in his live report from CHANNEL 5 SPORTS at 10. Brandon Ortega follows with news on an early dismissal of a veteran player from the roster.