reporter: dave cash, manny sanguillen, and al oliver all had stellar baseball careers playing for the pittsburgh pirates. but one game they played 50 years ago made history. just so many people out there that have no clue that this day happened. reporter: on september 1, 1971, the pirates starting lineup in the field was all african american and afro-latino players, the first time ever for major league baseball. you guys didn t realize, at the start of the game, 1971, that nine dark-skinned folks were going out on the field at the same time? in the second or third inning is when i realized it. i didn t realize it when we were standing there because i am thinking about the game. reporter: manager danny murtaugh later explained his lineup decision to catcher sanguillen. i did it because i want to win. i don t care who i put in the field.
o donnell: when the pittsburgh pirates took the field 50 years ago tonight, no one knew that the players, including future hall of famers roberto clemente and willie stargell, were stepping into history. here s cbs james brown. reporter: dave cash, manny sanguillen, and al oliver all had stellar baseball years playing for the pittsburgh pirates. but one game they played 50 years ago made history. there s so many people out there that have no clue that this day happened. reporter: on september 1, 1971, the pirates starting lineup in the field was all african american and afro-latino players, the first time ever for major league baseball. you guys didn t realize, at the