Jackie Robinson played for KC Monarchs before MLB debut

MLB The Show breaks barrier with Negro League players

Jackie Robinson and the Negro Leagues

Jackie Robinson - Wikipedia

MLB The Show 23's Negro Leagues storylines crush a home run : NPR

Buck O’Neil was a true pioneer for the integration of the Negro Leagues and Major League Baseball. He spent his entire playing career in the Negro

Buck O'Neil Autographed Jackie Robinson 50th Anniversary Baseball Inscribed Mgr. KC Monarchs

Jackie Robinson — African American Heritage Trail of Kansas City

TIME for Kids Honoring a Legend

Jackie Robinson - Jackie Robinson Foundation

Jackie Robinson as a Kansas City Monarch sliding safe into home