Guides
Deep dives on NFL history, all-time teams, and how to build a roster that goes undefeated.
The 10 Greatest NFL Teams of All Time, Ranked
A ranked breakdown of the most dominant single-season teams in NFL history — from the 1985 Bears to the 2007 Patriots — and what made each nearly unbeatable.
Read the guide →Why the 1972 Dolphins' Perfect Season Still Matters
The only perfect season in NFL history: how the 1972 Dolphins went 17-0, why it has never been repeated, and what it means to go undefeated.
Read the guide →How to Build an Undefeated Roster: A Draft Strategy Guide
A practical guide to drafting a 20-0 roster — balancing offense and defense, when to reach for a position, and how to read player value across eras.
Read the guide →The Best NFL Defenses Ever, Ranked
Ranking the most dominant defenses in NFL history — the 1985 Bears, the Steel Curtain, the Purple People Eaters — and what separated them from the rest.
Read the guide →Classic vs Gridiron IQ: Which Mode Actually Tests Football Knowledge
The difference between 20-0's two modes, why hiding the ratings changes how you draft, and which one really proves you know football.
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