Ancillary data layers were used to assess classification accuracy and derive other data layers such as image masks that were used in the change detection analyses. ancillary data.
William Edward White, the first black player in major-league history, lived his life as a white man. By Peter Morris and Stefan Fatsis. William Edward White on the 1879 Brown baseball team.
Jackie Robinson was the first African American MLB player. Jackie Robinson is credited with breaking MLB's color barrier in 1947. However, back in 1884 in the American Association, a major league at the time, Moses Walker and his brother Welday Walker played for the Toledo Blue Stockings. Moses was nicknamed Fleet and played 42 games as a catcher and batted .263.