This podcast episode of "Stuff You Should Know" explores the history of the Negro Leagues in baseball. The hosts discuss the leagues' origins in the face of segregation, their rise to prominence featuring legendary players like Satchel Paige, and their eventual decline following the integration of Major League Baseball. They highlight the significant contributions of figures like Andrew "Rube" Foster and the business acumen behind the leagues' success. The episode also touches upon the social impact of the Negro Leagues and the bittersweet nature of their eventual dissolution. A key takeaway is the revelation that several Black players competed in professional baseball before Jackie Robinson, challenging common misconceptions.