It only took one preseason game to expose Commanders' most glaring flaw

Washington Commanders head coach Dan Quinn | Billie Weiss/GettyImagesThe hand-wringing that went on over the Washington Commanders' failure to add strong edge defenders this offseason went through a period of remission after general manager Adam Peters signed Von Miller. After an embarrassing preseason loss to the New England Patriots, these concerns are firmly back at the forefront.

Miller didn’t suit up. Nor did Frankie Luvu, who figures to have a large role in attacking opposing quarterbacks this season. Dorance Armstrong Jr., the team’s best every-down defensive end, was also missing, as was promising second-year player Javontae Jean-Baptiste.

With those four players in uniform, the…