This isn't trying to reproduce who's actually in Cooperstown — it's this
project's own answer to who belongs. No linear-weight run values, no replacement-level
constant: every player is scored only against the actual league average and spread of
their own season, using five genuinely separate things you can point to directly in a
box score — batting average, isolated power, walk rate, stolen-base rate, and defensive
value.
1,065qualifying pool
300shown here
5,000+career PA minimum
143 / 300also in Cooperstown
This is a living ranking, not a set of plaques. It's rebuilt from scratch every year
on the latest data, so a player climbs onto the list when his case passes the 300th, and a
borderline name drops off when someone else's rises past him. Active players are in — no
five-year wait. What you're looking at is the 2025 edition; the twenty names just
outside the cut are listed at the bottom.
What's a Stat Above Average? Each player-season is compared only to that season's own
league average and spread — a 1927 season is judged against 1927, a 2024 season against
2024, nothing crosses eras. The five stats above are each converted to a z-score (standard
deviations above or below that year's league mean, computed from qualifying hitters only)
and blended into one number for the season: batting average and isolated power at
30% each, defense at 20%, walk rate and stolen-base rate at 10% each.
(Walks and steals are both dialed back — a walks-only bat or a pure basestealer could each
otherwise ride one category onto the list ahead of a complete hitter; leaning the score on
contact and power pulls the list closer to the actual Hall of Fame.)
The career number blends length and peak. A player's season scores, each scaled to a
600-PA workload, are summed into a career total — but a great career cut short shouldn't be
buried under compilers, so the ranking metric is the average of that career total and
the sum of the player's best seven seasons (the same career-plus-peak shape JAWS uses).
Play a long time and at a high level and both halves are large.
Negro Leagues players qualify on a separate standard, not the 5,000 PA floor — their
official league schedules were far shorter than MLB's, and the surviving record undercounts
them further still. They qualify instead by accumulating the equivalent of 9 seasons at
their own league's typical season size — the standard that gets Josh Gibson, Willie Wells,
and Turkey Stearnes onto this list. The NeL flag beside a player's rank marks the
ones whose score actually draws on Negro Leagues play — a 200-plus-PA season in a Negro
Major League — not a brief cameo like Willie Mays's 13 games in 1948.
Runs scored and RBI were deliberately left out — both depend heavily on who's on base ahead
of you and where you hit in the order, not just your own output. The HOF column marks
players the writers and veterans committees have already voted into Cooperstown, so you can
see at a glance where this list and the official one agree and where they don't.