Major League Baseball ... No. 42 on this historic day. Jackie Robinson Day History: Why do players wear No. 42? April 15 is significant because this was the day that Robinson made his MLB debut ...

Jackie Robinson played in Louisville before he broke Major League Baseball's color barrier. He also came to Kentucky for the March on Frankfort.

On this day in 1919, baseball and civil rights icon Jackie Robinson was born in Cairo, Georgia. Best known for breaking Major League Baseball’s color barrier when he debuted with the Brooklyn Dodgers ...