Remembering the '71 Pirates, 'the team that changed baseball

50 Years After: Remembering Marshall University's 1970 Plane Crash, Joyner Library Special Collections

Remembering the 1971 All-Star Game: A night of legends, doing legendary things

Clemente's teamwork helped make historic Pirates 1971 lineup a reality

Pittsburgh Pirates Mark 50 Years Since Historic All-Black And -Latino Lineup

For Pirates, 81 just a number, but it means so much

September 1, 1971: Pirates field first all-Black lineup in baseball history – Society for American Baseball Research

From 2012: Wainwright and Beltran remember the curve

Pirates' best players not in the Hall of Fame

1971 Pirates: A Scrapbook

Forever Brothers: The '71 Pittsburgh Pirates Story (TV Movie 2016) - IMDb

We Checked 50 Years Of Sports History To Find The Team That Stands Out The Least

Roberto Clemente - Wikipedia

Félix Hernández and the 20 other weirdest late-career team changes in MLB history - MLB Daily Dish