SAN FRANCISCO -- Great NFL defenses often have nicknames. But if championship rings aren't attached to those defenses, the nicknames are premature.
| Rank | Year | Team |
|---|---|---|
| 1. | 1976 | Pittsburgh Steelers |
| 2. | 1985 | Chicago Bears |
| 3. | 2013 | Seattle Seahawks |
| 4. | 2000 | Baltimore Ravens |
| 5. | 2002 | Tampa Bay Buccaneers |
| 6. | 2015 | Denver Broncos |
| 7. |