The old adage "defense wins championships" was defined in the NFL by the legendary Steel Curtain in Pittsburgh, No-Name Defense in Miami and the Monsters of the Midway in Chicago.
But the most recent trend began with a record-breaking defense that didn't inspire a nickname. The 2000 Baltimore Ravens ended an era dominated by high-powered offenses and ushered in the return of suffocating defenses.
Since Ray Lewis and the Ravens hoisted up their first Lombardi Trophy, 11 of the next 16 Super Bowl champions had defenses that ranked in the top 10 in fewest points allowed, including nine that were in the top five.