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7th Inning Stretch
7th Inning Stretch: 1947 to 1988
In 1947, Jackie Robinson ushered in a period of substantial growth and change in Major League Baseball when he broke the color barrier by signing with the Brooklyn Dodgers. The leagues soon expanded geographically by locating teams west of the Mississippi and south to Atlanta. The financial relationship between players and owners changed dramatically with the advent of free agency, reflecting the social changes of the 1960s and beyond.