For thirty years, from 1920 to 1950, there were two major leagues in American professional baseball. One was recognized as such. One was not. The one that was not recognized operated in the same cities, played in the same stadiums, drew from the same talent pool, and produced players who, when finally permitted to cross the barrier, immediately became the best in the sport.

The Negro National League was founded in 1920 by Rube Foster in Kansas City. The Eastern Colored League followed in 1923. After a collapse and reorganization, the Negro American League began play in 1937. These were not sandlot operations. They were professional baseball leagues with schedules, contracts, stadium leases, salaried players, and paying crowds that regularly exceeded 50,000 for showcase events. The East-West All-Star Game at Comiskey Park outdrew the MLB All-Star Game seven times between 1933 and 1948.

The word "parallel" requires complication. Two things running parallel implies equivalence of standing, two tracks that simply happen not to touch. That is not what this was. The Negro Leagues ran parallel because they were forced to. The barrier was not geographic or economic or competitive. It was racial. The parallel was enforced, not inherent. The players in the Negro Leagues were major league players who were denied access to the major leagues. The distinction was administrative. The talent was not separate.

This platform has spent fourteen chapters assembling the evidence for that statement. The evidence is statistical, financial, institutional, testimonial, and journalistic. It spans box scores and balance sheets and ballot records and oral histories and seventy-five years of the Black press. What follows is the argument that evidence supports, stated in plain language, with precise citations to the chapters that produced each finding.

The wage gap between Negro League players and their MLB contemporaries, adjusted to 2024 dollars, amounts to a central estimate of $3.7 billion across the segregation era. This figure accounts for documented salary differentials, barnstorming revenue suppression, and the complete exclusion of Black players from the revenue structures of the white major leagues. The confidence interval is wide because the salary records are incomplete, but the floor of the estimate still exceeds $2 billion.

$3.7 billion
Central estimate, 2024 dollars -- Chapter 08, The Salary Ledger

After Jackie Robinson crossed the color line in 1947, the remaining fifteen MLB franchises integrated at vastly different rates. The median franchise took more than six years. The Boston Red Sox were last, waiting 12 years and 96 days after Robinson's debut to field a Black player. Pumpsie Green took the field for Boston on July 21, 1959. The delay was not logistical. It was institutional resistance to a change the sport's own evidence had already justified.

12 years, 96 days
Maximum franchise integration delay -- Chapter 09, The Last Team

When Negro League statistics are integrated into the major league record using rate-based JAWS methodology, multiple players from the Negro Leagues rank above the existing Hall of Fame positional medians. The evidence is strongest at catcher, where Josh Gibson's adjusted figures place him at the top of the all-time list, and in the outfield, where multiple candidates emerge above the current threshold. These are not projections. They are measurements from the now-official statistical record.

Above the threshold
Rate JAWS methodology -- Chapter 10 and Chapter 11, Cooperstown

Jose de la Caridad Mendez was inducted into the Cuban Baseball Hall of Fame in 1939. He was inducted into the National Baseball Hall of Fame in Cooperstown in 2006. The gap is 67 years. During those 67 years, Mendez's record did not change. His statistics did not improve. No new evidence emerged. What changed was the institutional willingness to count what Cuba had already counted.

67 years
Induction gap, Cuban Hall to Cooperstown -- Chapter 12, The Other Hall

The Black press did not merely cover the Negro Leagues. It built them. The Pittsburgh Courier, the Chicago Defender, and the Baltimore Afro-American promoted games, published box scores, created the East-West ballot, and generated the audience that sustained professional Black baseball as an institution. Then the same papers argued for integration, knowing it would end the leagues they had built. The journalism that created the institution also argued for the institution's dissolution, because the journalists understood that what the players deserved was not a separate league but access to the one that excluded them.

Built and dissolved
The advocacy arc -- Chapter 14, The Courier Archive

The platform's integrated finding: Negro League players lost an estimated $3.7 billion in wages, waited as long as 12 years and 96 days for franchises to accept them after the barrier fell, and were recognized by other nations' halls of fame 67 years before Cooperstown acted on the same evidence.

The Other Box Score
theotherboxscore.org
Findings

The wage gap across the segregation era, adjusted to 2024 dollars.

$3.7 billion
Chapter 08 -- The Salary Ledger

Maximum franchise integration delay after Robinson's debut.

12 years, 96 days
Chapter 09 -- The Last Team

Negro League players above Hall of Fame positional median by rate JAWS.

Above the threshold
Chapters 10--11 -- The Ledger / Cooperstown

Gap between Cuban Hall of Fame and Cooperstown induction for Jose Mendez.

67 years
Chapter 12 -- The Other Hall

The Black press built the Negro Leagues and argued for their dissolution.

Built and dissolved
Chapter 14 -- The Courier Archive
Questions the platform cannot answer
What would the full statistical record show? Approximately 25% of documented games remain unrecovered.
What was taken from the communities when the leagues dissolved? The platform measures what was taken from the players. It does not fully measure the institutional and communal loss.
Will the Hall of Fame act on the evidence? The Classic Baseball Era Committee has not yet acted on the slate candidates identified in Chapter 11.

"I was right there. I had a right to be where I was. I had a right to be in that game. But that ain't what they told us. They told us we had our own league, and we ought to be grateful."

Buck O'Neil, first baseman, Kansas City Monarchs -- from oral history, Chapter 13

"I threw a no-hitter my second game. You know what the papers wrote about it? Nothing. Not one line. We had our own papers, and thank God for that, because nobody else was going to write it down."

Mamie "Peanut" Johnson, pitcher, Indianapolis Clowns -- from oral history, Chapter 13

"It is time for the owners of the big league clubs to wake up to the fact that they are missing the boat. There are many players in the Negro leagues who could make the grade in the majors. All they need is the opportunity."

Wendell Smith, sportswriter, Pittsburgh Courier, 1938 -- from the archive, Chapter 14

"We played in their stadiums. We filled their seats. The money went into their pockets. And when Monday came, we couldn't play in the games those stadiums were built for."

Cool Papa Bell, outfielder, St. Louis Stars -- from oral history, Chapter 13

"The game was the same. The ball was the same. The distance between the bases was the same. Ninety feet. There was nothing separate about it except who they let in."

Monte Irvin, outfielder, Newark Eagles -- from interview, Chapter 13
01

What would the full statistical record show?

The statistical record of the Negro Leagues is approximately 75% complete. The missing 25% contains games that were played, box scores that were printed in the Black press, performances that occurred and were witnessed and recorded and have not yet been recovered. The recovery work is ongoing. Seamheads, the Negro Leagues Researchers and Authors Group, and individual scholars continue to locate and digitize box scores from Black newspaper archives. The platform cannot say what the full record would show. It can say the full record exists and that every recovery effort has moved the numbers in the same direction: toward confirming what the partial record already demonstrates.

02

What was taken from the communities when the leagues dissolved?

The Negro Leagues were not only baseball leagues. They were economic institutions, community anchors, sources of civic pride, and employers. The integration of Major League Baseball was necessary and right. The players who left for MLB after 1947 deserved to be there. But the communities and businesses that had been sustained by the Negro Leagues lost something real when the leagues contracted and folded. This platform measures what was taken from the players in wages, recognition, and delayed induction. It does not fully measure what was taken from the communities. That accounting is different and harder and belongs to a different kind of scholarship.

03

Will the Hall of Fame act on the evidence?

The slate candidates identified in Chapter 11 include players whose rate-based JAWS figures place them above the Hall of Fame positional median. The Classic Baseball Era Committee has the authority to consider these candidates. The platform has assembled the statistical case. The platform cannot make the institutional decision. That decision rests with the committee, and the evidence is now in the official record for them to evaluate.

There were two box scores. They documented the same game.

American League Game
August 1, 1943 -- Cleveland at Detroit
Cleveland AB R H RBI
Hockett CF4120
Boudreau SS4011
Edwards LF4120
Keltner 3B4011
Seerey RF4000
Rosar C3110
Mack 1B4011
Grant 2B3111
Bagby P3000
TOTALS33494
Detroit AB R H RBI
Cramer CF4010
Hoover SS4010
Wakefield LF4110
York 1B4011
Harris RF3000
Higgins 3B4010
Bloodworth 2B3111
Richards C3000
Bridges P3000
TOTALS32262
Cleveland 001  200  010 -- 4
Detroit 000  100  100 -- 2
East-West All-Star Game
August 1, 1943 -- Comiskey Park, Chicago
West AB R H RBI
J. Robinson 2B3010
N. Robinson LF4000
Jethroe CF4110
Brown C4010
Serrell SS3000
Souell 3B3011
Davis 1B3110
S. Paige P3000
Radcliffe RF4001
TOTALS31252
East AB R H RBI
J. Gibson C3000
B. Leonard 1B4111
Bankhead SS4010
Doby CF3000
Dandridge 3B4010
Irvin LF3010
Harvey RF3000
Williams 2B4000
Day P4000
TOTALS32141
West 000  110  000 -- 2
East 000  000  001 -- 1
The record is official now.
Return to platform
The Other Box Score.
Fifteen chapters, one question. Return to the platform to read another, or start from the beginning.