In honor of Jackie Robinson Day, I contributed an article to the Brooklyn Daily Eagle about one of the first African-American teams in that borough, the Unknowns, who were formed circa 1860-65, back when base ball was spelled with two words:

http://www.brooklyneagle.com/articles/brooklyn’s-african-american-baseball-tradition-didn’t-start-jackie-robinson-2014-04-15

Also, notice that in my avatar pic up there on the top left, I’m wearing a Brooklyn Dodgers hat.