b. June 21, 1860 · First baseman across four clubs, 1884 to 1885.

b. June 21, 1876 · Second baseman who batted .247 across four clubs, 1901 to 1909.

b. June 21, 1877 · Left fielder for the Philadelphia Phillies, 1902 to 1902.

b. June 21, 1879 · Third baseman who batted .216 across two clubs, 1903 to 1905.

b. June 21, 1891 · Catcher who batted .202 across two clubs, 1910 to 1919.

b. June 21, 1906 · Pitcher for the Chicago White Sox, 1932 to 1932.

b. June 21, 1918 · Pitcher who won 166 games with a 3.21 ERA across three clubs, 1944 to 1955.

b. June 21, 1927 · Pitcher across eight clubs, 1951 to 1962.

b. June 21, 1952 · Pitcher for the Philadelphia Phillies, 1972 to 1972.

b. June 21, 1953 · Catcher and outfielder who spent fourteen seasons with Milwaukee and hit .462 in the 1982 League Championship Series.

b. June 21, 1953 · Pitcher across two clubs, 1975 to 1978.

b. June 21, 1956 · Traded to the Cubs in the middle of 1984, went 16-1 the rest of the way, and is the only Cy Young winner who pitched for two teams in the award season.

b. June 21, 1957 · Pitcher for the Minnesota Twins, 1983 to 1983.

b. June 21, 1963 · Pitcher across two clubs, 1986 to 1990.

b. June 21, 1964 · Pitcher for the Philadelphia Phillies, 1988 to 1990.

b. June 21, 1969 · Pitcher across three clubs, 1992 to 2004.

b. June 21, 1981 · First baseman who batted .251 across four clubs, 2007 to 2015.

b. June 21, 1981 · Second baseman who batted .264 across six clubs, 2005 to 2015.

b. June 21, 1982 · Pitcher across two clubs, 2004 to 2007.

b. June 21, 1982 · First baseman for the Seattle Mariners, 2016 to 2016.

b. June 21, 1991 · First baseman who batted .222 across two clubs, 2015 to 2018.

b. June 21, 1997 · Pitcher for the St. Louis Cardinals, 2024 to 2025.

b. June 21, 1997 · Pitcher across two clubs, 2023 to 2025.

b. June 21, 1999 · Pitcher across two clubs, 2020 to 2025.

d. June 21, 1895 · Pitcher across two clubs, 1886 to 1886.

d. June 21, 1918 · Played five National Association seasons before a ten-season career in recognized major leagues.

d. June 21, 1923 · Pitcher for the Philadelphia Athletics, 1919 to 1919.

d. June 21, 1923 · Pitcher across two clubs, 1904 to 1905.

d. June 21, 1934 · Played shortstop for fifteen seasons and hit .234, kept in the lineup entirely for his glove.

d. June 21, 1936 · Pitcher across two clubs, 1903 to 1906.

d. June 21, 1943 · Second baseman who batted .255 across three clubs, 1906 to 1918.

d. June 21, 1944 · First baseman who batted .256 across two clubs, 1907 to 1915.

d. June 21, 1952 · Pitcher across two clubs, 1889 to 1891.

d. June 21, 1965 · Left fielder who batted .306 across four clubs, 1923 to 1932.

d. June 21, 1974 · Catcher across two clubs, 1914 to 1919.

d. June 21, 1978 · Center fielder across four clubs, 1918 to 1925.

d. June 21, 1983 · Right fielder for the Cleveland Indians, 1934 to 1935.

d. June 21, 1986 · Pitcher across three clubs, 1954 to 1960.

d. June 21, 1987 · First baseman who batted .295 across three clubs, 1933 to 1945.

d. June 21, 1988 · Pitcher across two clubs, 1933 to 1938.

d. June 21, 1991 · Third baseman for the Chicago Cubs, 1927 to 1927.

d. June 21, 1998 · Second baseman for the Brooklyn Dodgers, 1943 to 1943.

d. June 21, 2000 · Left fielder who batted .268 across four clubs, 1941 to 1954.

d. June 21, 2015 · Center fielder who batted .291 across five clubs, 1988 to 2001.