They also helped make the pastime truly national , with teams performing in cities that the majors did n't reach .
Although baseball Commissioner Kenesaw Mountain Landis concocted rules to curtail such encounters , the exhibitions proved that black players were as good as their white counterparts .
players also helped make the pastime truly national , with teams performing in cities that the majors did n't reach .
Although baseball Commissioner Kenesaw Mountain Landis concocted rules to curtail such encounters , the exhibitions proved that black players were as good as their white counterparts .