b. May 31, 1859 · Pitcher who batted .170 across four clubs, 1883 to 1888.

b. May 31, 1873 · Pitcher for the Washington Senators, 1899 to 1899.

b. May 31, 1879 · Pitcher across two clubs, 1908 to 1911.

b. May 31, 1892 · Pitcher across four clubs, 1916 to 1923.

b. May 31, 1896 · Returned after nine seasons outside the majors and worked 251 innings for Boston in 1930.

b. May 31, 1912 · Catcher for the Chicago White Sox, 1934 to 1934.

b. May 31, 1943 · Pitcher across four clubs, 1970 to 1977.

b. May 31, 1950 · Picked off three runners in one inning in August 1983, which nobody had done.

b. May 31, 1952 · Pitcher across two clubs, 1978 to 1982.

b. May 31, 1954 · Pitcher for the Seattle Mariners, 1977 to 1977.

b. May 31, 1962 · Hit .273 across fourteen seasons and was a fixture in the Baltimore and New York outfields of the late 1980s and early 1990s.

b. May 31, 1967 · Stole 622 bases, batted .299, and lasted one Hall of Fame ballot.

b. May 31, 1970 · Pitcher for the Kansas City Royals, 1995 to 1995.

b. May 31, 1972 · Center fielder who batted .266 across five clubs, 1999 to 2008.

b. May 31, 1981 · Won the 2007 Cy Young Award and Pitching Triple Crown, striking out 2,207 across four clubs.

b. May 31, 1984 · Reliever who saved 95 games with a 3.12 ERA across five clubs.

b. May 31, 1989 · Pitcher for the Los Angeles Angels of Anaheim, 2015 to 2015.

b. May 31, 1994 · Second baseman who batted .276 across two clubs, 2018 to 2024.

b. May 31, 1994 · Left fielder for the Philadelphia Phillies, 2018 to 2019.

b. May 31, 1995 · Led the American League in wins, earned run average and strikeouts in 2020 and was a unanimous Cy Young choice.

b. May 31, 1995 · Pitcher across two clubs, 2018 to 2019.

b. May 31, 1995 · Right fielder for the Chicago Cubs, 2021 to 2021.

b. May 31, 1999 · Pitcher for the Seattle Mariners, 2023 to 2025.

b. May 31, 2000 · Pitcher across two clubs, 2024 to 2025.

d. May 31, 1908 · Center fielder across two clubs, 1876 to 1877.

d. May 31, 1916 · Right fielder who batted .222 across three clubs, 1905 to 1910.

d. May 31, 1922 · Right fielder who batted .257 across three clubs, 1883 to 1890.

d. May 31, 1925 · Left fielder across two clubs, 1871 to 1874.

d. May 31, 1928 · Catcher across three clubs, 1890 to 1895.

d. May 31, 1935 · Pitcher who won 106 games with a 3.36 ERA across two clubs, 1901 to 1908.

d. May 31, 1937 · First baseman who batted .289 across two clubs, 1880 to 1891.

d. May 31, 1944 · Right fielder for the New Haven Elm Citys, 1875 to 1875.

d. May 31, 1947 · Catcher who batted .284 with 1,358 hits across three clubs, twice an All-Star.

d. May 31, 1955 · Second baseman for the Detroit Wolverines, 1884 to 1884.

d. May 31, 1963 · Center fielder for the Philadelphia Phillies, 1936 to 1936.

d. May 31, 1964 · Shortstop who batted .229 across four clubs, 1930 to 1940.

d. May 31, 1970 · Pitcher for the Chicago Cubs, 1913 to 1915.

d. May 31, 1972 · Pitcher across five clubs, 1937 to 1946.

d. May 31, 1981 · Left fielder for the New York Giants, 1926 to 1926.

d. May 31, 1985 · Catcher who batted .241 across two clubs, 1939 to 1949.

d. May 31, 1986 · Pitcher for the Pittsburgh Pirates, 1914 to 1914.

d. May 31, 1987 · Second baseman who batted .254 across four clubs, 1958 to 1970.

d. May 31, 1990 · Second baseman for the Kansas City Athletics, 1961 to 1964.

d. May 31, 1992 · Pitcher for the Cincinnati Reds, 1922 to 1923.

d. May 31, 1993 · Pitcher for the Newark Eagles, 1938 to 1945.

d. May 31, 1995 · Pitcher for the Philadelphia Athletics, 1943 to 1946.

d. May 31, 2000 · Catcher for the Cleveland Indians, 1944 to 1947.

d. May 31, 2014 · Second baseman who batted .232 across three clubs, 1952 to 1957.