A decade before the U.S. officially segregated in 1896, baseball banned black players. A decade before the US integrated, baseball broke the color barrier. Between, the Negro Leagues produced some of the finest players to ever take the field.
Segregated Baseball: A Kaleidoscopic Review
Negro League History 101
Atlanta Black Crackers
Ty Cobb Was Not a Racist
Rube Foster - Decline Into Mental Illness
Jackie Robinson in Reverse - Eddie Klep Integrated Into the Negro Leagues