b. September 18, 1883 · Third baseman for the Philadelphia Athletics, 1908 to 1908.

b. September 18, 1889 · Swung a bat shaped like a bottle and led the National League in hits, doubles, runs and walks in different years.

b. September 18, 1889 · Left fielder for the St. Louis Cardinals, 1913 to 1914.

b. September 18, 1890 · Third baseman for the Cleveland Naps, 1912 to 1912.

b. September 18, 1898 · Won 200 games, batted .289, and is generally credited with inventing the slider.

b. September 18, 1909 · Catcher across two clubs, 1940 to 1944.

b. September 18, 1910 · Shortstop and captain of the Homestead Grays dynasty, a nine-time All-Star who later became the first Black manager in organized professional baseball.

b. September 18, 1914 · Baseball figure for the Cleveland Indians, 1937 to 1937.

b. September 18, 1920 · Pitcher for the Chicago Cubs, 1942 to 1946.

b. September 18, 1925 · Pitcher who won 136 games with a 3.63 ERA across five clubs, 1952 to 1965.

b. September 18, 1941 · Catcher who batted .261 across three clubs, 1966 to 1973.

b. September 18, 1946 · Pitcher across two clubs, 1972 to 1975.

b. September 18, 1948 · Pitched in the World Series at nineteen, younger than anyone before or since, and hit ten home runs.

b. September 18, 1955 · Catcher for the Philadelphia Phillies, 1980 to 1981.

b. September 18, 1959 · He hit 40 home runs in 1990, the first National League second baseman to lead the league in home runs since Rogers Hornsby in 1925.

b. September 18, 1964 · Pitcher for the San Diego Padres, 1989 to 1989.

b. September 18, 1965 · Pitcher across two clubs, 1993 to 1995.

b. September 18, 1971 · Pitcher across two clubs, 1996 to 2001.

b. September 18, 1979 · Pitcher across four clubs, 2003 to 2009.

b. September 18, 1983 · Second baseman who batted .205 across six clubs, 2008 to 2013.

b. September 18, 1984 · Pitcher across three clubs, 2009 to 2015.

b. September 18, 1996 · Pitcher across two clubs, 2020 to 2021.

b. September 18, 1998 · Pitcher for the St. Louis Cardinals, 2022 to 2025.

b. September 18, 2000 · Center fielder who batted .247 for the Boston Red Sox, 2023 to 2025.

d. September 18, 1908 · Shortstop who batted .251 across three clubs, 1871 to 1877.

d. September 18, 1921 · Pitcher for the Kansas City Monarchs, 1920 to 1921.

d. September 18, 1923 · Second baseman who batted .274 across five clubs, 1890 to 1899.

d. September 18, 1924 · Pitcher across two clubs, 1882 to 1884.

d. September 18, 1939 · Third baseman for the Philadelphia Athletics, 1914 to 1914.

d. September 18, 1945 · Catcher for the St. Louis Cardinals, 1906 to 1906.

d. September 18, 1948 · Third baseman who batted .269 across two clubs, 1904 to 1913.

d. September 18, 1949 · Second baseman for the Brooklyn Superbas, 1905 to 1905.

d. September 18, 1949 · Pitcher across two clubs, 1897 to 1901.

d. September 18, 1953 · Shortstop for the Boston Beaneaters, 1903 to 1903.

d. September 18, 1956 · Center fielder for the Cleveland Naps, 1910 to 1910.

d. September 18, 1962 · Center fielder across three clubs, 1902 to 1921.

d. September 18, 1964 · Pitcher for the Washington Senators, 1914 to 1914.

d. September 18, 1968 · Pitcher across two clubs, 1921 to 1924.

d. September 18, 1969 · Right fielder who batted .283 across two clubs, 1938 to 1947.

d. September 18, 1973 · Right fielder who batted .281 across three clubs, 1925 to 1934.

d. September 18, 1973 · Pitcher for the Boston Red Sox, 1912 to 1912.

d. September 18, 1976 · Pitcher across eight clubs, 1940 to 1944.

d. September 18, 1980 · Catcher for the Chicago White Sox, 1925 to 1925.

d. September 18, 1982 · Caught for the Cubs, went to war, came back to the Cubs, was traded to Pittsburgh, and then came back to the Cubs again.

d. September 18, 2012 · Pitcher across three clubs, 1959 to 1967.

d. September 18, 2025 · Pitcher across two clubs, 1970 to 1972.