All of them including the past to modern are 589 players
I think the Brooklyn Dodgers
Yes -- just not on any team that is considered part of a "major" league.
As early as 1884 two "black" players, the Walker brothers played for Toledo in the American Association, considered a "major" league at the time. There was no "official" discrimination against Black players, however, but there was defacto segregation until Jackie Robinson joined the Brooklyn Dodgers in 1947 opening the majors to Black players.
In 2008, 'black' players in MLB increased to 10.2 percent after reaching a low of 8.2 percent the previous season, according to a report by The Associated Press.
Yes, it opened the door to many Great Black players.
05-29-1962, Buck O'Neil was the first major league baseball coach
Since the Major Leagues did not have any Black players in the 1900s, coaches did not have any Black players to react toward.