Even with HBO cameras following the Dallas Cowboys everywhere, the two biggest question marks surrounding the team’s two biggest stars with the two biggest contracts remain mostly unanswered.
A strained muscle in the throwing shoulder for Dak Prescott — he of the injury-shortened 2020 and four-year, $160 million contract extension — means practices filled mostly with mental reps and perhaps no on-field action until the regular-season opener against Tampa Bay on Sept. 9.

“It’s a plan of caution,” head coach Mike McCarthy said.