American baseball player Jackie Robinson (1919 - 1972) grounds a ball at first place while warming up for an exhibition game against the New York Yankees, Ebbets Field, NYC, 1950s. (Photo by Hulton|Archive/Getty Images)
American baseball player Jackie Robinson (1919 - 1972) grounds a ball at first place while warming up for an exhibition game against the New York Yankees, Ebbets Field, NYC, 1950s. (Photo by Hulton|Archive/Getty Images)