Pirates' historic all-minority lineup, turning 50, as relevant today as in 1971
September 21, 1963: Pirates' Gene Baker becomes first African-American to manage in the major leagues – Society for American Baseball Research
Mookie Betts, Walker Buehler shine as Dodgers beat Braves - Los Angeles Times
Diversity milestone: '71 Pirates had an all-Black lineup - Los Angeles Times
Pirates celebrate 50th anniversary of historic all-minority lineup
Pirates in MLB's 1st minority lineup honored 50 years later
MLB Power Rankings Week 19: Where all 30 teams stand as playoff races heat up - TSN.ca
On This Day 50 Years Ago, the Pittsburgh Pirates Made History With an All-Black Lineup
Al Oliver – Society for American Baseball Research
Pirates' historic all-minority lineup, turning 50, as relevant today as in 1971
The day the Pirates fielded the first all-Black and Latino lineup
Pirates started first all-Black and Latino lineup 49 years ago [video], Sports