How NFL 20-0 ratings work

Player ratings are not hand-picked opinions. They are derived at runtime from verifiable facts — real games played for the franchise and real All-Pro / Pro Bowl / Super Bowl honors — through an era-normalized formula. Here is exactly what goes into a rating and how a team's strength is built.

Ratings come from real facts, not guesses

Each player's rating is built from three verifiable inputs: how many regular-season games they played for that franchise, how many first-team All-Pro and Pro Bowl selections they earned there, and how many Super Bowls they won with the team. Nothing is invented — every number is sourced from Pro-Football-Reference and Wikipedia, and honors earned with other teams are excluded so a rating reflects only what a player did for that franchise.

Era normalization

A 1970s legend played 14-game seasons; a current star plays 17. To keep them comparable, games are normalized against a per-era baseline, so longevity in a shorter-season era is not penalized and a modern star's totals are not inflated. Every decade from the 1960 merger to today is playable on a level field.

Position weighting and the defensive slot

Honors are weighted by position — a quarterback's All-Pro seasons carry the most on offense — but the defensive slot is scored entirely on its own value. That is deliberate: role players and defensive stars matter, which is exactly what most games in this genre get wrong. A great defender is as valuable to your run as a great passer.

No single pick guarantees the run

Every rating is capped at 96, and each player's contribution to the team total is limited. There is no unbeatable pick — you cannot solve the game by drafting one specific legend. Squads win, not names. This is the fix for the classic complaint about the 82-0 format, where a single dominant pick could carry an entire season.

How team strength is built

Your offense rating leans on the quarterback but does not let them dominate — the running back, wide receiver and tight end all contribute. Your defense rating combines the defensive slot with the whole roster's overall quality. Both feed a logistic win curve for each game: even a superteam tops out around a 92% chance to win any single game, and even a weak roster has a puncher's chance, so upsets happen both ways.

The playoff gate and the loss screen

Too few regular-season wins and you miss the playoffs entirely — roughly 13 wins locks a berth, fewer and you are at the mercy of the seeding lottery. When you lose, the result screen tells you which side of your team failed: your attack was blunted or your defense cracked. The simulation always explains itself.

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