Live: Follow for latest updates as Cowboys-Panthers clear stadium with inclement weather ahead of season opener

Dallas Cowboys players rally during warmups before an NFL preseason game between the Dallas Cowboys and the Arizona Cardinals on Sunday, August 26, 2018 at AT&T Stadium in Arlington, Texas. (Ashley Landis/The Dallas Morning News)

• Jori Epstein
  @JoriEpstein
  

  What we do know:
  -NFL hasn't notified Cowboys DE Randy Gregory of any violation of personal conduct, PED or substance abuse policies, per source
  -Gregory in Carolina for 1st game in 616 days
  
  What we don't know:
  
  -If NFL will discipline later in season
  
  sportsday.