**Cowboys preseason kicks off tonight in Seattle — here's what's at stake** - **DAL | Witten HOF push:** Patriots legend Rob Gronkowski throws his weight behind Jason Witten's Hall of Fame candidacy - **DAL | QB battle:** Milton vs. Howell takes center stage as backup competition heats up for preseason opener vs. Seattle - **DAL | Prescott depth:** Cowboys monitoring QB depth chart closely with Dak's backup spot still unsettled heading into Week 1 - **DAL | Seahawks preview:** Seattle expected to start key starters tonight — Cowboys won't get a soft look in preseason opener - **DAL | Suspension blow:** Former Cowboys star suspended for season opener, adding early roster/depth concerns - **DAL | Feel-good moment:** Fresno dad's hobby leads to a memorable encounter with Dak Prescott **Watch tonight:** Does Milton or Howell grab the backup QB job with a strong showing in Seattle? The lineup's set. Drop in.