Jackie Robinson broke the color barrier in 1947 but it wasn’t until September 1st, 1971 that a team fielded an all-black line-up. The Pirates under manager Danny Murtaugh did just that against the Phillies on that date. The Pirates would win the World Series in 1971.
The Pirates line-up that night 1. Rennie Stennett 2b 2.Gene Clines Cf 3. Roberto Clemente RF 4.Willie Stargell LF 5. Manny Sanguillen C 6. Dave Cash 3b 7. Al Oliver Ib 8. Jackie Hernandez SS 9. Dock Ellis P.
An interesting article linked below.