b. April 20, 1876 · Center fielder who batted .271 across six clubs, 1899 to 1911.

b. April 20, 1880 · Pitcher across four clubs, 1902 to 1914.

b. April 20, 1890 · Center fielder who batted .293 across four clubs, 1918 to 1928.

b. April 20, 1891 · Sixteen years at shortstop, two World Series titles with the Giants, and a Hall of Fame election that is still argued about.

b. April 20, 1901 · Left fielder across three clubs, 1924 to 1928.

b. April 20, 1915 · Left fielder who batted .270 across two clubs, 1939 to 1945.

b. April 20, 1917 · Right fielder who batted .279 across three clubs, 1943 to 1949.

b. April 20, 1919 · Pitcher across five clubs, 1945 to 1953.

b. April 20, 1946 · First baseman known as a Mets specialist who hit .317 against them and was later a long-serving broadcaster.

b. April 20, 1946 · Pitcher for the Cleveland Indians, 1971 to 1971.

b. April 20, 1950 · Was one out from a perfect game in 1983 and won 17 for the champions the following year.

b. April 20, 1954 · Second baseman for the St. Louis Cardinals, 1976 to 1976.

b. April 20, 1956 · Pitcher for the San Diego Padres, 1982 to 1984.

b. April 20, 1961 · Nine Gold Gloves and a .307 average across fourteen seasons, all of them for the Yankees, with the best of them cut short at 29.

b. April 20, 1967 · Pitcher across two clubs, 1993 to 1993.

b. April 20, 1969 · Pitcher for the Texas Rangers, 1992 to 1994.

b. April 20, 1973 · Was Rookie of the Year in 1996 for a Dodgers club with four straight winners of the award, then spent a decade as a role player for eight clubs.

b. April 20, 1980 · Center fielder who batted .262 across two clubs, 2005 to 2009.

b. April 20, 1986 · Pitcher across two clubs, 2013 to 2015.

b. April 20, 1987 · Third baseman across two clubs, 2015 to 2017.

b. April 20, 1988 · First baseman who batted .261 across two clubs, 2011 to 2023.

b. April 20, 1991 · Third baseman for the Boston Red Sox, 2014 to 2015.

b. April 20, 1992 · Center fielder across two clubs, 2017 to 2019.

b. April 20, 2001 · Pitcher across two clubs, 2024 to 2025.

d. April 20, 1904 · Pitcher across two clubs, 1893 to 1893.

d. April 20, 1904 · Second baseman for the Brooklyn Atlantics, 1872 to 1872.

d. April 20, 1908 · Invented the box score and the batting average, and never played a professional game in his life.

d. April 20, 1912 · Second baseman who batted .258 across four clubs, 1884 to 1889.

d. April 20, 1923 · Pitcher who won 110 games with a 3.69 ERA across three clubs, 1881 to 1890.

d. April 20, 1929 · Pitcher across two clubs, 1895 to 1897.

d. April 20, 1944 · Center fielder for the Washington Senators, 1939 to 1939.

d. April 20, 1949 · Third baseman across two clubs, 1902 to 1903.

d. April 20, 1951 · First baseman across two clubs, 1902 to 1903.

d. April 20, 1958 · Pitcher for the Boston Red Sox, 1909 to 1909.

d. April 20, 1964 · Pitcher for the St. Louis Cardinals, 1922 to 1927.

d. April 20, 1970 · Center fielder for the Pittsburgh Pirates, 1912 to 1914.

d. April 20, 1970 · Pitcher across three clubs, 1936 to 1944.

d. April 20, 1974 · Pitcher across two clubs, 1930 to 1935.

d. April 20, 1974 · Pitcher across two clubs, 1917 to 1921.

d. April 20, 1978 · Spent his entire fourteen-season career with Cleveland and led the American League in walks twice.

d. April 20, 1986 · Shortstop for the Philadelphia Phillies, 1938 to 1939.

d. April 20, 1991 · Was a third baseman for six seasons, became a pitcher, and won the Most Valuable Player award four years later.

d. April 20, 1992 · Pitcher for the Chicago White Sox, 1940 to 1949.

d. April 20, 1992 · Second baseman for the Boston Red Sox, 1931 to 1931.

d. April 20, 1996 · First baseman for the Philadelphia Athletics, 1949 to 1949.

d. April 20, 2014 · Pitcher for the Indianapolis Clowns, 1948 to 1948.

d. April 20, 2016 · Pitcher across three clubs, 1947 to 1955.

d. April 20, 2018 · Left fielder who batted .256 across two clubs, 1958 to 1964.