John Buck O'Neil Autographed Rawlings Adirondack Big Stick Professional Model MLB Baseball Bat. Lot 14 guarantees the authenticity of this signature (read auction info for details). Inscribed "K.C. Monarchs 1938-55". One of the greatest ambassadors for the game of baseball and the legacy of the Negro Leagues. Buck O'Neill spent his playing career mostly with the Kansas City Monarchs. After his playing career, he went on to become a scout and later named the 1st African American coach by the Chicago Cubs in 1962. Afterward Buck O'Neill led the effort to establish the Negro League Baseball Museum. Please see images for details regarding condition.