In Gridiron Genius I wrote about how Walsh told me in 84 when the NFL had 28 teams we (SF) were only competing against 8 teams. And it's true with 32 teams, the number does not change. Only 6 teams have 50 or more wins over the last 5 years. NE, Pitt, KC, Seattle, Dallas, Phila.

— Michael Lombardi (@mlombardiNFL) February 22, 2019