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DALLAS, TX - CIRCA 1978: Head coach Tom Landry of the Dallas Cowboys stands with his team before coming onto the field before an NFL football game circa 1978 at Texas Stadium in Dallas, Texas. Landry coached the Cowboys from 1960-88. (Photo by Focus on Sport/Getty Images)

DALLAS, TX - CIRCA 1978: Head coach Tom Landry of the Dallas Cowboys stands with his team before coming onto the field before an NFL football game circa 1978 at Texas Stadium in Dallas, Texas. Landry coached the Cowboys from 1960-88. (Photo by Focus on Sport/Getty Images)
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