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ST. LOUIS, MO - CIRCA 1967: Outfielder Curt Flood #21 of the St. Louis Cardinal scores against the Atlanta Braves during an Major League Baseball game circa 1967 at Busch Stadium in St. Louis, Missouri. Flood played for the Cardinals from 1958-69. (Photo by Focus on Sport/Getty Images)

ST. LOUIS, MO - CIRCA 1967: Outfielder Curt Flood #21 of the St. Louis Cardinal scores against the Atlanta Braves during an Major League Baseball game circa 1967 at Busch Stadium in St. Louis, Missouri. Flood played for the Cardinals from 1958-69. (Photo by Focus on Sport/Getty Images)