Brandon Marshall: Cowboy Nation should be frustrated and curious about Dak I FIRST THINGS FIRST

The Dallas Cowboys kicked off the preseason in the Hall of Fame game last night. Dak Prescott was not in attendance. Former Dallas QB Troy Aikman said he thinks the Cowboys are downplaying Dak's shoulder injury. Eric Mangini joins Brandon Marshall and Nick Wright to discuss whether there should be concerns about Dak's recovery heading into the season.