Remembering the '71 Pirates, 'the team that changed baseball
Forgotten Greats: Seven Oakland A's relief pitchers we should remember more often - Athletics Nation
While Jackie Robinson's breakthrough in 1947 opened the gates of opportunity for African Americans and other minority players, it was not until 1971 when a team first enjoyed a full and complete level of integration, with half of its twenty-five-man roster comprised of players of African American and Latino descent. That team was the Pittsburgh Pirates, managed by an old-time Irishman.
The Team that Changed Baseball: Roberto Clemente and the 1971 Pittsburgh Pirates [Book]
Reunion of Pirates' 1971 World Series champions brings back memories
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Triolo' 1st big league homer leads Pirates over Reds 4-2 in doubleheader opener
Former Pirates manager Danny Murtaugh should go to the Hall of Fame
Simulation: 1971 Giants and A's get a second chance – The Vacaville Reporter
Used Book in Good Condition
The Team That Changed Baseball: Roberto Clemente and the 1971 Pittsburgh Pirates
Fifty years ago, Curt Flood walked away from the Senators. He left baseball forever changed. - The Washington Post
Pirates' top international signings all-time
Major League Baseball could take over broadcasting of 17 teams
1971 Pirates were special in many ways, John Sacco
Pittsburgh Pirates are World Series contenders and it's unacceptable, Pittsburgh Pirates
How Roberto Clemente Harnessed Celebrity To Change America
September 1, 1971: Pirates field first all-Black lineup in baseball history – Society for American Baseball Research