b. September 8, 1858 · Right fielder for the Louisville Colonels, 1889 to 1889.

b. September 8, 1872 · Pitcher for the Philadelphia Phillies, 1895 to 1895.

b. September 8, 1884 · Pitcher across four clubs, 1912 to 1919.

b. September 8, 1887 · Pitcher for the Cincinnati Reds, 1908 to 1908.

b. September 8, 1896 · Caught 935 games while playing eighteen consecutive major-league seasons from 1916 through 1933.

b. September 8, 1899 · Catcher for the St. Louis Cardinals, 1920 to 1921.

b. September 8, 1902 · Center fielder who batted .306 for the St. Louis Cardinals, 1927 to 1935.

b. September 8, 1905 · Third baseman for the St. Louis Browns, 1931 to 1932.

b. September 8, 1906 · Pitcher for the Chicago White Sox, 1927 to 1927.

b. September 8, 1907 · Fourteen seasons at first base for the Homestead Grays and no other club, with eleven East-West All-Star selections, the most anyone has.

b. September 8, 1932 · Second baseman across three clubs, 1957 to 1960.

b. September 8, 1938 · Pitcher for the Baltimore Orioles, 1956 to 1956.

b. September 8, 1946 · Threw a no-hitter in April 1979, ten months after his brother had thrown his second.

b. September 8, 1954 · Pitcher across five clubs, 1977 to 1990.

b. September 8, 1962 · Catcher across two clubs, 1985 to 1989.

b. September 8, 1973 · Pitcher across three clubs, 1995 to 1999.

b. September 8, 1982 · Pitcher for the San Francisco Giants, 2008 to 2008.

b. September 8, 1984 · Pitcher across two clubs, 2008 to 2016.

b. September 8, 1988 · Pitcher across two clubs, 2010 to 2013.

b. September 8, 1990 · Won the 2023 Cy Young Award, striking out 2,251 across three clubs on a career still on record.

b. September 8, 1992 · Pitcher across four clubs, 2016 to 2025.

b. September 8, 1995 · Pitcher across two clubs, 2021 to 2023.

b. September 8, 1996 · Pitcher across two clubs, 2023 to 2025.

b. September 8, 1998 · Pitcher for the Seattle Mariners, 2025 to 2025.

d. September 8, 1902 · Pitcher across two clubs, 1901 to 1902.

d. September 8, 1936 · Pitcher for the Boston Beaneaters, 1895 to 1896.

d. September 8, 1941 · Pitcher across two clubs, 1912 to 1920.

d. September 8, 1947 · Center fielder for the Boston Red Sox, 1910 to 1910.

d. September 8, 1948 · Catcher for the St. Louis Cardinals, 1904 to 1904.

d. September 8, 1952 · Shortstop for the Boston Red Sox, 1910 to 1910.

d. September 8, 1955 · Pitcher for the St. Louis Browns, 1908 to 1911.

d. September 8, 1963 · Shortstop who batted .276 across five clubs, 1933 to 1942.

d. September 8, 1963 · Pitcher for the Detroit Tigers, 1914 to 1914.

d. September 8, 1964 · Second baseman for the Chicago White Sox, 1928 to 1929.

d. September 8, 1968 · Pitcher for the Philadelphia Athletics, 1937 to 1937.

d. September 8, 1977 · Pitcher who batted .187 across three clubs, 1931 to 1940.

d. September 8, 1979 · Third baseman who batted .243 across two clubs, 1964 to 1970.

d. September 8, 1988 · Pitcher across five clubs, 1921 to 1931.

d. September 8, 1990 · Pitcher for the Washington Senators, 1920 to 1922.

d. September 8, 1991 · Shortstop for the Pittsburgh Pirates, 1952 to 1953.

d. September 8, 1991 · Second baseman for the Chicago White Sox, 1923 to 1923.

d. September 8, 1993 · Pitcher for the Brooklyn Robins, 1931 to 1931.

d. September 8, 2011 · Pitcher across five clubs, 1973 to 1981.

d. September 8, 2012 · First baseman who batted .273 across three clubs, 1955 to 1961.

d. September 8, 2014 · Pitcher across four clubs, 1951 to 1959.

d. September 8, 2015 · Pitcher who won 127 games with a 3.58 ERA across three clubs, 1976 to 1988.

d. September 8, 2020 · Pitcher across four clubs, 1955 to 1967.

d. September 8, 2024 · First baseman who played all eighteen of his seasons for the New York Mets, from the 1962 expansion team to 1979.