And here's more info:
pbs.org/wnet/african-a…
NFL player: Fritz Pollard and Bobby Marshall (1920)
MLB: Jackie Robinson (1947)
NHL: Willie O'Ree (1958)
NBA: Earl Lloyd (1950)
PGA: Charles Sifford (1967)
Tennis champion: Althea Gibson (1957)
Heavyweight Boxing Champ: Jack Johnson (1908)