b. October 18, 1848 · In the Hall of Fame for a claim rather than a record: that he invented the curveball, having watched clam shells curve in the air.

b. October 18, 1859 · Left fielder who batted .251 across six clubs, 1882 to 1893.

b. October 18, 1881 · Was considered the fastest man in baseball and once raced a horse around the bases before a game to prove it.

b. October 18, 1884 · Led Brooklyn to National League pennants in 1947 and 1949 after a fourteen-season playing career.

b. October 18, 1892 · Right fielder for the Philadelphia Athletics, 1916 to 1917.

b. October 18, 1892 · Catcher for the St. Louis Cardinals, 1909 to 1909.

b. October 18, 1894 · Third baseman who batted .267 across four clubs, 1916 to 1934.

b. October 18, 1895 · Third baseman who batted .276 across three clubs, 1918 to 1927.

b. October 18, 1902 · Catcher who batted .267 across three clubs, 1925 to 1938.

b. October 18, 1908 · Second baseman for the Boston Red Sox, 1932 to 1932.

b. October 18, 1917 · Center fielder across three clubs, 1939 to 1941.

b. October 18, 1931 · Third baseman who batted .260 across four clubs, 1952 to 1962.

b. October 18, 1938 · Second baseman who batted .236 across four clubs, 1964 to 1972.

b. October 18, 1942 · Detroit left fielder who hit 325 home runs across six clubs, four times an All-Star.

b. October 18, 1949 · Would not speak to reporters for most of eighteen seasons, and started the fashion for wearing the pants down.

b. October 18, 1951 · Started for six clubs early in his career, then became a left-handed reliever for the rest of his fourteen seasons.

b. October 18, 1952 · Played every infield position and the outfield across sixteen seasons and later managed in Japan.

b. October 18, 1952 · Pitcher across three clubs, 1978 to 1982.

b. October 18, 1966 · Pitcher across three clubs, 1990 to 2001.

b. October 18, 1966 · Pitcher across two clubs, 1990 to 1993.

b. October 18, 1975 · Shortstop who batted .243 across six clubs, 1998 to 2011.

b. October 18, 1981 · Left fielder who batted .274 across four clubs, 2006 to 2015.

b. October 18, 1989 · Shortstop who batted .236 across seven clubs, 2013 to 2023.

b. October 18, 1989 · Catcher for the Oakland Athletics, 2015 to 2015.

d. October 18, 1876 · First baseman across two clubs, 1871 to 1872.

d. October 18, 1918 · Shortstop across two clubs, 1908 to 1914.

d. October 18, 1932 · Pitcher for the Indianapolis Hoosiers, 1884 to 1884.

d. October 18, 1934 · Pitcher who batted .157 across two clubs, 1914 to 1924.

d. October 18, 1937 · Second baseman across four clubs, 1905 to 1909.

d. October 18, 1945 · First baseman for the New York Giants, 1907 to 1907.

d. October 18, 1955 · Pitcher across four clubs, 1922 to 1933.

d. October 18, 1959 · Pitcher for the Chicago White Sox, 1912 to 1912.

d. October 18, 1960 · Right fielder across two clubs, 1906 to 1909.

d. October 18, 1963 · Shortstop for the Cincinnati Reds, 1916 to 1926.

d. October 18, 1963 · Pitcher for the Philadelphia Athletics, 1936 to 1936.

d. October 18, 1981 · Pitcher for the Philadelphia Athletics, 1943 to 1943.

d. October 18, 1982 · Pitcher across two clubs, 1924 to 1925.

d. October 18, 1983 · Played third base for the 1950 Whiz Kids and led National League third basemen in fielding for most of a decade.

d. October 18, 1990 · First baseman who batted .277 across three clubs, 1938 to 1947.

d. October 18, 1996 · Catcher across two clubs, 1934 to 1937.

d. October 18, 2001 · First baseman who batted .290 across four clubs, 1947 to 1955.

d. October 18, 2011 · Catcher who batted .247 across five clubs, 1962 to 1969.

d. October 18, 2014 · Pitcher across three clubs, 1943 to 1945.

d. October 18, 2018 · Shortstop who batted .249 across three clubs, 1951 to 1957.

d. October 18, 2025 · Right fielder for the Milwaukee Brewers, 1970 to 1971.