b. April 12, 1876 · He lost 29 games in 1905, still the most any pitcher has lost in a season since 1901, and waited until 1995 to reach the Hall of Fame.

b. April 12, 1879 · First baseman for the Pittsburgh Pirates, 1905 to 1905.

b. April 12, 1880 · Cleveland pitcher who threw a perfect game in the 1908 pennant race and died two days after his 31st birthday.

b. April 12, 1888 · Completed 70 starts and threw eight shutouts across 1,084 innings in three major leagues.

b. April 12, 1899 · Pitcher for the Cleveland Indians, 1921 to 1921.

b. April 12, 1910 · Pitcher for the St. Louis Browns, 1937 to 1937.

b. April 12, 1911 · First baseman across three clubs, 1930 to 1938.

b. April 12, 1918 · Right fielder for the Cincinnati Reds, 1944 to 1944.

b. April 12, 1922 · Pitcher across eight clubs, 1946 to 1958.

b. April 12, 1928 · Left fielder for the Kansas City Athletics, 1955 to 1955.

b. April 12, 1933 · Catcher who batted .255 across five clubs, 1956 to 1967.

b. April 12, 1943 · Saved 52 games across eight seasons for five clubs and pitched for both Los Angeles and Mexico in a career spanning two countries.

b. April 12, 1960 · Catcher for the Chicago White Sox, 1987 to 1987.

b. April 12, 1968 · Pitcher for the Philadelphia Phillies, 1991 to 1992.

b. April 12, 1968 · First baseman for the San Diego Padres, 1993 to 1994.

b. April 12, 1973 · Pitcher across five clubs, 1995 to 2005.

b. April 12, 1980 · Second baseman for the New York Mets, 2003 to 2004.

b. April 12, 1985 · Third baseman who batted .267 for the Atlanta Braves, 2015 to 2017.

b. April 12, 1985 · Right fielder who batted .250 across four clubs, 2010 to 2015.

b. April 12, 1986 · Pitcher across six clubs, 2011 to 2021.

b. April 12, 1990 · Pitcher across seven clubs, 2013 to 2024.

b. April 12, 1996 · Center fielder across two clubs, 2019 to 2023.

b. April 12, 1996 · Pitcher across five clubs, 2018 to 2025.

b. April 12, 2000 · Pitcher for the Baltimore Orioles, 2024 to 2025.

d. April 12, 1889 · Catcher who batted .192 across five clubs, 1883 to 1886.

d. April 12, 1918 · Catcher for the Louisville Eclipse, 1884 to 1884.

d. April 12, 1936 · Shortstop across four clubs, 1921 to 1929.

d. April 12, 1937 · Pitcher who won 171 games with a 2.82 ERA across three clubs, 1884 to 1890.

d. April 12, 1940 · Pitcher for the Boston Beaneaters, 1896 to 1902.

d. April 12, 1941 · Right fielder for the Baltimore Canaries, 1874 to 1874.

d. April 12, 1966 · Pitcher for the Boston Americans, 1905 to 1907.

d. April 12, 1968 · Shortstop across four clubs, 1926 to 1931.

d. April 12, 1971 · Pitcher across three clubs, 1909 to 1915.

d. April 12, 1977 · Shortstop for the Chicago Cubs, 1920 to 1920.

d. April 12, 1981 · Pitcher for the Boston Braves, 1952 to 1952.

d. April 12, 1983 · Won 18 games as a rookie for a second-year expansion club and died of a heart attack at thirty-nine.

d. April 12, 1987 · Third baseman who batted .242 across two clubs, 1940 to 1947.

d. April 12, 1988 · Third baseman across two clubs, 1935 to 1943.

d. April 12, 1989 · Pitcher for the Cincinnati Reds, 1944 to 1945.

d. April 12, 1990 · First baseman for the Boston Red Sox, 1932 to 1932.

d. April 12, 1991 · Shortstop across two clubs, 1936 to 1940.

d. April 12, 1999 · Pitcher for the Cincinnati Redlegs, 1954 to 1954.

d. April 12, 2004 · Pitcher for the New York Giants, 1943 to 1944.

d. April 12, 2008 · Pitcher for the Chicago White Sox, 1948 to 1948.

d. April 12, 2009 · Second baseman for the Philadelphia Athletics, 1946 to 1947.

d. April 12, 2011 · Walked 1,043 times with a .239 average, and drew 149 in one season from shortstop.

d. April 12, 2014 · Catcher who batted .258 across two clubs, 1956 to 1965.

d. April 12, 2020 · Second baseman who batted .283 across two clubs, 1965 to 1975.