Commanders' next staff departure now looks inevitable after David Blough hire

Washington Commanders pass game coordinator Brian Johnson | Mitchell Leff/GettyImagesThe Washington Commanders' decision to promote David Blough to replace Kliff Kingsbury as offensive coordinator is a gamble of epic proportions from head coach Dan Quinn.

If it comes off, he'll look like a genius. If it blows up in his face, Quinn will be seeking alternative employment this time next year.

There is no real middle ground. Pressure is building, and the margin for error is gone for Quinn. Blough is highly regarded within the building and around the league, but it is a significant step-up in responsibilities that could go either way.

This could also cause a ripple effect.

Brian Johnson could be the…