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WASHINGTON, D.C. - SEPTEMBER 17: Head Coach Buddy Ryan of the Philadelphia Eagles looks on from the sidelines against the Washington Redskins during an NFL football game September 17, 1989 at RFK Stadium in Washington, D.C.. Ryan was the head coach of the Philadelphia Eagles from 1986-90. (Photo by Focus on Sport/Getty Images)

WASHINGTON, D.C. - SEPTEMBER 17: Head Coach Buddy Ryan of the Philadelphia Eagles looks on from the sidelines against the Washington Redskins during an NFL football game September 17, 1989 at RFK Stadium in Washington, D.C.. Ryan was the head coach of the Philadelphia Eagles from 1986-90. (Photo by Focus on Sport/Getty Images)