Jackie Robinson may have been the broken the color barrier in Major League Baseball overall when he took to the field for the Brooklyn Dodgers in April 1947. But it would take a dozen more years, and a baseball player named Elijah “Pumpsie” Green, before the very last all-white team in the MLB, the Boston Red Sox,…
source https://www.theroot.com/elijah-pumpsie-green-who-integrated-the-boston-red-s-1836514920