books.google.fi - In 1947 Jackie Robinson broke baseball’s color barrier and became a hero for black and white Americans, yet Robinson was a Negro League player before he integrated Major League baseball. Negro League ballplayers had been thrilling black fans since 1920. Among them were the legendary pitchers Smoky...http://books.google.fi/books/about/Invisible_Men_Life_in_Baseball_s_Negro_L.html?id=bKSEkYoGfzwC&utm_source=gb-gplus-shareInvisible Men: Life in Baseball's Negro Leagues
