b. February 14, 1852 · Third baseman across three clubs, 1875 to 1877.

b. February 14, 1855 · Played mainly at second base across twelve recognized major-league seasons and managed in two of them.

b. February 14, 1858 · Canadian-born shortstop credited with popularising the fielder's glove, who later managed and scouted.

b. February 14, 1869 · Second baseman for the Chicago Colts, 1895 to 1895.

b. February 14, 1880 · Catcher who batted .219 across three clubs, 1904 to 1915.

b. February 14, 1885 · Pitcher for the Brooklyn Superbas, 1908 to 1908.

b. February 14, 1886 · Catcher across two clubs, 1905 to 1907.

b. February 14, 1901 · Catcher for the Kansas City Monarchs who later managed the club, and whose son pitched in the Negro Leagues as well.

b. February 14, 1910 · Catcher for the Washington Senators, 1936 to 1937.

b. February 14, 1911 · Second baseman across two clubs, 1931 to 1934.

b. February 14, 1912 · Pitcher across three clubs, 1932 to 1938.

b. February 14, 1916 · Right fielder for the Washington Black Senators, 1938 to 1938.

b. February 14, 1917 · Right fielder for the St. Louis Cardinals, 1944 to 1945.

b. February 14, 1918 · Second baseman who batted .254 for the Cincinnati Reds, 1941 to 1948.

b. February 14, 1925 · Pitcher for the Cincinnati Reds, 1947 to 1949.

b. February 14, 1945 · Pitcher for the Philadelphia Phillies, 1972 to 1972.

b. February 14, 1959 · Right fielder across five clubs, 1982 to 1987.

b. February 14, 1964 · Catcher for the Seattle Mariners, 1988 to 1989.

b. February 14, 1981 · Pitcher across three clubs, 2004 to 2006.

b. February 14, 1983 · Second baseman for the San Diego Padres, 2008 to 2008.

b. February 14, 1985 · Pitched in 807 games with a delivery that hid the ball until the last moment.

b. February 14, 1995 · Shortstop for the San Francisco Giants, 2018 to 2019.

b. February 14, 2000 · Pitcher for the Washington Nationals, 2025 to 2025.

b. February 14, 2001 · Shortstop who batted .232 for the Minnesota Twins, 2024 to 2025.

d. February 14, 1875 · Catcher across three clubs, 1871 to 1874.

d. February 14, 1920 · Shortstop for the Boston Beaneaters, 1904 to 1904.

d. February 14, 1921 · Third baseman who batted .272 across five clubs, 1884 to 1891.

d. February 14, 1926 · Catcher across two clubs, 1912 to 1915.

d. February 14, 1930 · Shortstop who batted .270 across three clubs, 1917 to 1921.

d. February 14, 1945 · Center fielder across two clubs, 1891 to 1891.

d. February 14, 1948 · A farm accident took most of the index finger on his pitching hand when he was seven, and shaped the curveball that came after.

d. February 14, 1951 · Pitcher across two clubs, 1919 to 1919.

d. February 14, 1956 · Pitcher for the Philadelphia Athletics, 1921 to 1921.

d. February 14, 1959 · Pitcher for the St. Louis Cardinals, 1909 to 1910.

d. February 14, 1966 · Shortstop across two clubs, 1912 to 1913.

d. February 14, 1966 · Shortstop across three clubs, 1909 to 1918.

d. February 14, 1967 · Played four infield and outfield positions for Brooklyn's back-to-back pennant winners and hit .294 across thirteen seasons.

d. February 14, 1968 · Pitcher for the Detroit Tigers, 1909 to 1910.

d. February 14, 1970 · Right fielder who batted .294 for the Birmingham Black Barons through the 1920s.

d. February 14, 1973 · Center fielder for the Philadelphia Athletics, 1920 to 1921.

d. February 14, 1976 · Shortstop for the Boston Red Sox, 1918 to 1918.

d. February 14, 1984 · Third baseman across two clubs, 1952 to 1953.

d. February 14, 1986 · Third baseman across two clubs, 1932 to 1936.

d. February 14, 2008 · Pitcher for the Detroit Tigers, 1953 to 1953.

d. February 14, 2014 · Was the best player the Angels had for a decade, and was traded for Nolan Ryan.

d. February 14, 2019 · Third baseman for the Chicago White Sox, 1949 to 1953.

d. February 14, 2022 · Pitcher for the Philadelphia Phillies, 1958 to 1958.

d. February 14, 2024 · Pitcher who won 109 games with a 3.11 ERA across two clubs, 1970 to 1978.