James Raleigh "Biz" Mackey was an American catcher and manager in Negro league baseball. He played for the Indianapolis ABCs (1920–1922), New York Lincoln Giants (1920), Hilldale Daisies (1923–1931), Philadelphia Royal Giants (1925), Philadelphia Stars (1933–1935), Washington / Baltimore Elite Giants (1936–1939), and Newark Dodgers/Eagles.

The Hilldale Athletic Club were an American professional Negro league baseball team based in Darby, Pennsylvania, west of Philadelphia.