 You guys want to know how many playoff wins Washington has since Joe Gibbs left? Joe Gibbs left. Last 25 years, they have one playoff win since Joe Gibbs left. A legend, a top six coach in the history of football. It's difficult to keep that ball rolling when you lose a legend. The institutional knowledge that walked out the door when Bill Belichick left or was shoved out, whichever storyline you prefer.