Remembering the life and legacy of #21 on Roberto Clemente Day
The day the Pirates fielded the first all-Black and Latino lineup
Roberto Clemente - Wikipedia
Former Pittsburgh Pirates player, coach during '71 World Series passes away
Glew: Remembering Roberto Clemente's first pro season in Montreal — Canadian Baseball Network
How Roberto Clemente Harnessed Celebrity To Change America
The 1971 Pittsburgh Pirates: The team that made baseball history and Black history on the same day
September 1, 1971: Pirates field first all-Black lineup in baseball history – Society for American Baseball Research
Where does the Pirates rotation stand for the rest of 2023?
JAY DUNN: Going from Vietnam to covering the 1971 World Series was indescribable – Trentonian
Fifty years ago, Curt Flood walked away from the Senators. He left baseball forever changed. - The Washington Post
MLB Power Rankings: Where every team stands entering the playoffs - ESPN
Pittsburgh Pirates Top 43 Prospects