Tales of their exploits have been permanently etched into our collective memories. Some of us have been blessed to have witnessed their greatness in person or at home yelling encouragement at our television screens. Some fans have learned about these legends via the internet or through the captivating retelling of stories passed down by family members. Regardless of the sources, these memories and images have cultivated our love for the game of football.
Greatness always leaves an impression and makes an impact. The most dominating defenses of the past fifty years are all part of an extremely exclusive list.