Monday is Jackie Robinson Day all around Major League Baseball.
However, unless you know your baseball history inside and out, you wouldn't know that Robinson wasn't the first African-American to play professional baseball.
That honor goes to Moses Fleetwood Walker, who made his professional debut on May 1, 1884 with the Toledo Blue Stockings.
While most people don't know much about Walker, there are many fascinating things about him.
Here's a look at seven such things that you need to know about the majors' first black player.
Note: Quotes in this article were taken from Walker's biography, unless otherwise noted.