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]
Pirates unveil 1979 throwback uniforms for Sunday games
Pirates Bring Back Pillbox, Complete 1979 Look for New Uniform – SportsLogos.Net News
Should We Believe in the Pittsburgh Pirates?
Pirates to wear 1979 throwback uniforms for Sunday games - Sports Illustrated
Pirates overcome 9-run deficit for first time since team started in 1882, beat Reds 13-12, Sports
Throwback Uniforms: Pirates and Reds (1979)
Over 60 years of MVPs: A list of all MLB World Series MVP award winners through the years
Cubs lose for 6th time in 7 games, 13-7 defeat to Pirates as Palacios hits 3-run homer - The San Diego Union-Tribune
Remembering the 'We Are Family' 1979 Pirates
Pittsburgh Pirates' Charlie Morton wears a 1979 throwback uniform while pitching in the baseball game against the Cincinnati Reds in Pittsburgh, Friday, Aug. 21, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy
Another All-Star season, now Bednar/Pirates face arbitration
The best players to wear every jersey number in Pirates history - The Athletic