Wesley Branch Rickey (December 20, 1881 – December 9, 1965) was an American baseball player and sports executive. Rickey was instrumental in breaking Major League Baseball's color barrier by signing black player Jackie Robinson. He also created the framework for the modern minor league farm system, encouraged the major leagues to add new teams through his involvement in the proposed Continental League, and introduced the batting helmet. He was posthumously elected to the Baseball Hall of Fame in 1967. Wikipedia
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