b. August 21, 1847 · First baseman who batted .257 across four clubs, 1871 to 1877.

b. August 21, 1855 · Third baseman for the Chicago/Pittsburgh (Union League), 1884 to 1884.

b. August 21, 1890 · Catcher for the New York Yankees, 1913 to 1914.

b. August 21, 1907 · Third baseman for the St. Louis Cardinals, 1936 to 1936.

b. August 21, 1911 · Left-handed pitcher who worked for the St. Louis Stars and a succession of relocating clubs through the 1930s and 1940s.

b. August 21, 1912 · Catcher for the Cincinnati Tigers, 1937 to 1937.

b. August 21, 1916 · Won 20 games for a last-place Pittsburgh club and led the league in losses the next three years.

b. August 21, 1920 · Reliever who saved 61 games and went 134-111 with a 3.70 ERA across six clubs.

b. August 21, 1920 · Pitcher for the Boston Braves, 1943 to 1945.

b. August 21, 1948 · Shortstop who batted .219 across three clubs, 1972 to 1977.

b. August 21, 1952 · Pitcher for the Montreal Expos, 1975 to 1976.

b. August 21, 1954 · Pitcher across two clubs, 1980 to 1986.

b. August 21, 1970 · Scored the winning run of the 1997 World Series and the winning run of the 2001 World Series, both times on plays that ended the Series.

b. August 21, 1972 · Pitcher for the Detroit Tigers, 1998 to 1998.

b. August 21, 1976 · Pitcher for the Atlanta Braves, 1999 to 1999.

b. August 21, 1978 · Won a Silver Slugger as a pitcher and started for six clubs that reached the postseason.

b. August 21, 1983 · Pitched for nine organizations across eighteen seasons, moving between the rotation and the bullpen as each one needed.

b. August 21, 1984 · Center fielder who batted .243 across five clubs, 2004 to 2016.

b. August 21, 1990 · Catcher who batted .250 across three clubs, 2014 to 2025.

b. August 21, 1992 · Second baseman who batted .245 across seven clubs, 2015 to 2024.

b. August 21, 1993 · Left fielder across three clubs, 2017 to 2021.

b. August 21, 1997 · Pitcher for the Philadelphia Phillies, 2025 to 2025.

b. August 21, 1998 · Pitcher for the Washington Nationals, 2023 to 2024.

b. August 21, 2000 · Was a unanimous Rookie of the Year in 2023 and led Arizona to the World Series that same October.

d. August 21, 1903 · Left fielder who batted .299 across four clubs, 1871 to 1880.

d. August 21, 1915 · Pitcher for the Boston Red Sox, 1911 to 1911.

d. August 21, 1919 · Catcher who batted .230 across four clubs, 1886 to 1893.

d. August 21, 1928 · Third baseman who batted .261 across six clubs, 1883 to 1895.

d. August 21, 1934 · Pitcher across two clubs, 1902 to 1909.

d. August 21, 1937 · Batted .350 in the National Association, which this archive does not count, and .256 in the National League, which it does.

d. August 21, 1944 · Right fielder for the Detroit Tigers, 1902 to 1902.

d. August 21, 1947 · Pitcher for the Philadelphia Phillies, 1902 to 1902.

d. August 21, 1947 · Pitcher across four clubs, 1905 to 1912.

d. August 21, 1949 · Catcher who batted .202 across four clubs, 1915 to 1927.

d. August 21, 1952 · Caught 527 games across thirteen seasons spread over twenty-five years.

d. August 21, 1957 · Third baseman for the Philadelphia Athletics, 1915 to 1915.

d. August 21, 1960 · Third baseman who batted .293 across four clubs, 1912 to 1924.

d. August 21, 1964 · Founded the Kansas City Monarchs, and bought a portable lighting rig in 1930 that let his club play at night five years before the majors did.

d. August 21, 1965 · Right-hander whose major league appearances were spread across sixteen years and three clubs, with a seven-season gap in the middle.

d. August 21, 1972 · Catcher for the Washington Senators, 1928 to 1928.

d. August 21, 1973 · Pitcher across five clubs, 1933 to 1945.

d. August 21, 1975 · Left fielder for the Brooklyn Superbas, 1907 to 1907.

d. August 21, 1990 · Pitcher for the St. Louis Browns, 1924 to 1924.

d. August 21, 1990 · Pitcher across two clubs, 1938 to 1940.

d. August 21, 1993 · Pitcher across five clubs, 1938 to 1948.

d. August 21, 1999 · Pitcher across two clubs, 1943 to 1947.

d. August 21, 2004 · Pitcher for the Birmingham Black Barons, 1946 to 1948.

d. August 21, 2018 · Pitcher across six clubs, 1953 to 1963.