The first doomsday defense for the Dallas cowboys was badass, Tom Landry , was a defensive genious, lots of legends and hall of famers were part of the original doomsday defense, like Mr. Cowboy, bob Lilly, he was a lineman , and chuck howley, linebackers Leroy Jordan , and Knoxville, tn native, d.d. Lewis, the defensive backs were, Mel renfro, herb adderly, and cliff Harris , great teams , coach Landry had during this era...