After Jackie Robinson broke major-league baseball's color barrier by joining the Brooklyn Dodgers on April 15, 1947, other black players hoped to follow. Other teams, as well. But some teams, including the Phillies, remained reluctant to integrate for a decade or more.
Here is a list of the first black players on teams that existed when Robinson debuted and the date on which the franchises followed suit:
Player Team League Date
Jackie Robinson Brooklyn Dodgers National April 15, 1947
Larry Doby Cleveland Indians American July 5, 1947