b. September 15, 1856 · Caught 668 games across twelve recognized major-league seasons after a one-game National Association debut.

b. September 15, 1858 · Catcher for the Louisville Eclipse, 1882 to 1882.

b. September 15, 1861 · First baseman across two clubs, 1887 to 1889.

b. September 15, 1862 · Third baseman across four clubs, 1884 to 1891.

b. September 15, 1876 · Won 20 or more games three years running for the Hitless Wonders, then spent a quarter-century as baseball's most famous clown.

b. September 15, 1900 · First baseman who batted .281 across three clubs, 1924 to 1934.

b. September 15, 1906 · Pitcher for the Chicago White Sox, 1932 to 1932.

b. September 15, 1907 · Left-hander who pitched fifteen seasons and gave up the home run that ended the 1946 season's most famous chase.

b. September 15, 1910 · Pitcher across two clubs, 1936 to 1945.

b. September 15, 1915 · Second baseman who batted .271 across seven clubs, 1936 to 1947.

b. September 15, 1928 · Right fielder across two clubs, 1954 to 1957.

b. September 15, 1937 · Third baseman who batted .239 across seven clubs, 1960 to 1969.

b. September 15, 1938 · Everybody believed he threw a spitball and he did nothing to discourage them: 314 wins, and the first Cy Young Awards won in both leagues.

b. September 15, 1949 · Pitcher across four clubs, 1973 to 1977.

b. September 15, 1949 · Pitcher across three clubs, 1970 to 1977.

b. September 15, 1950 · Third baseman who batted .213 for the San Diego Padres, 1972 to 1975.

b. September 15, 1952 · Pitcher across two clubs, 1977 to 1980.

b. September 15, 1966 · Pitcher across two clubs, 1991 to 1992.

b. September 15, 1967 · Went 17-4 for Seattle in 2001, the standout season of a career interrupted by four years outside the majors.

b. September 15, 1967 · Pitcher across two clubs, 1992 to 1993.

b. September 15, 1975 · Pitcher across two clubs, 1999 to 2003.

b. September 15, 1977 · Third baseman who batted .248 for the Tampa Bay Devil Rays, 2000 to 2004.

b. September 15, 1996 · Pitcher for the Atlanta Braves, 2023 to 2025.

b. September 15, 1997 · Pitcher across two clubs, 2024 to 2025.

d. September 15, 1912 · Left fielder for the Rockford Forest Citys, 1871 to 1871.

d. September 15, 1922 · Second baseman for the Brooklyn Atlantics, 1884 to 1884.

d. September 15, 1924 · The Chance in Tinker to Evers to Chance, and the playing manager of the 1906 Cubs, the club that won 116 games.

d. September 15, 1932 · Pitcher across three clubs, 1902 to 1906.

d. September 15, 1935 · Second baseman across two clubs, 1884 to 1890.

d. September 15, 1940 · Second baseman for the Washington Nationals, 1884 to 1884.

d. September 15, 1949 · Catcher across two clubs, 1909 to 1910.

d. September 15, 1950 · Catcher for the Boston Doves, 1907 to 1907.

d. September 15, 1957 · Pitcher who batted .184 across three clubs, 1936 to 1945.

d. September 15, 1961 · Pitcher for the Washington Senators, 1920 to 1920.

d. September 15, 1963 · Pitcher for the Philadelphia Athletics, 1921 to 1921.

d. September 15, 1971 · Right fielder who batted .255 across two clubs, 1941 to 1950.

d. September 15, 1978 · Right fielder for the St. Louis Browns, 1928 to 1932.

d. September 15, 1981 · Went 13-4 with eight saves and a 2.08 earned run average for the White Sox in 1946.

d. September 15, 1991 · Got 145 pinch hits, which was the record, and batted .295 across eighteen seasons.

d. September 15, 1992 · Right fielder for the Memphis Red Sox, 1947 to 1947.

d. September 15, 1993 · Center fielder who batted .300 across six clubs, 1926 to 1938.

d. September 15, 1996 · Baseball figure for the Boston Bees, 1936 to 1936.

d. September 15, 2010 · Pitcher across two clubs, 1943 to 1946.

d. September 15, 2011 · Left fielder across two clubs, 1954 to 1958.

d. September 15, 2015 · Pitcher for the Chicago White Sox, 1977 to 1977.

d. September 15, 2021 · Third baseman who batted .234 across six clubs, 1968 to 1975.

d. September 15, 2022 · Catcher who batted .260 across two clubs, 1974 to 1984.

d. September 15, 2024 · Shortstop for the Chicago White Sox, 1978 to 1980.