b. January 4, 1869 · Dug up the wire that exposed the Phillies' sign-stealing machine in 1900.

b. January 4, 1877 · Pitcher across two clubs, 1907 to 1910.

b. January 4, 1884 · Shortstop who batted .255 across eight clubs, 1905 to 1915.

b. January 4, 1894 · Third baseman who batted .287 across six clubs, 1916 to 1930.

b. January 4, 1896 · Catcher for the Chicago American Giants through the earliest years of the Negro National League.

b. January 4, 1903 · Left fielder who batted .285 across four clubs, 1925 to 1930.

b. January 4, 1904 · Shortstop for the New York Lincoln Giants, 1923 to 1923.

b. January 4, 1906 · Shortstop who batted .239 across four clubs, 1930 to 1938.

b. January 4, 1929 · Pitcher for the Cincinnati Redlegs, 1954 to 1955.

b. January 4, 1930 · Pitched in 874 games until he was forty-four, and died throwing batting practice at fifty-seven.

b. January 4, 1940 · Third baseman across two clubs, 1964 to 1968.

b. January 4, 1944 · Left fielder across two clubs, 1969 to 1975.

b. January 4, 1949 · Pitcher for the Detroit Tigers, 1970 to 1970.

b. January 4, 1963 · Center fielder who batted .249 across four clubs, 1984 to 1994.

b. January 4, 1967 · Pitcher for the Seattle Mariners, 1989 to 1989.

b. January 4, 1971 · Pitcher across four clubs, 1998 to 2006.

b. January 4, 1976 · Won 130 games with a fastball that rarely reached ninety and a curveball hitters could see coming.

b. January 4, 1977 · Pitcher for the Pittsburgh Pirates, 2000 to 2000.

b. January 4, 1978 · Pitcher for the Colorado Rockies, 2004 to 2004.

b. January 4, 1991 · Pitcher across two clubs, 2016 to 2019.

b. January 4, 1992 · Most Valuable Player in 2016, at twenty-four, the year the Cubs won the World Series.

b. January 4, 1996 · Pitcher for the Pittsburgh Pirates, 2020 to 2020.

b. January 4, 1997 · Pitcher across two clubs, 2023 to 2024.

b. January 4, 1997 · Pitcher for the Chicago White Sox, 2022 to 2025.

d. January 4, 1931 · Held the career home run record with 138 until Babe Ruth passed it in 1921, and hit 233 triples, fifth-most of any player.

d. January 4, 1933 · Pitcher for the Boston Red Sox, 1920 to 1920.

d. January 4, 1938 · Pitcher for the Boston Beaneaters, 1895 to 1895.

d. January 4, 1949 · Baseball figure for the New York Giants, 1913 to 1913.

d. January 4, 1956 · Shortstop and third baseman who batted .350 with prodigious power in the Negro Leagues of the 1920s.

d. January 4, 1967 · Collected 119 hits and scored 70 runs for Cincinnati in 1931, the peak of an eight-season career.

d. January 4, 1970 · Pitcher across two clubs, 1925 to 1926.

d. January 4, 1978 · Pitcher across two clubs, 1924 to 1929.

d. January 4, 1979 · Third baseman for the Washington Senators, 1923 to 1923.

d. January 4, 1980 · Pitcher across two clubs, 1925 to 1930.

d. January 4, 1986 · Pitcher for the Philadelphia Athletics, 1913 to 1913.

d. January 4, 1990 · Pitcher across four clubs, 1922 to 1928.

d. January 4, 1991 · Spitball pitcher for the Baltimore Elite Giants who won more than a hundred recorded games and made seven All-Star squads.

d. January 4, 1991 · Center fielder for the New York Giants, 1954 to 1954.

d. January 4, 1994 · Catcher and infielder who batted .289 across twelve seasons, and whose father caught for the 1906 White Sox.

d. January 4, 1995 · Started for pennant winners in his thirties and led the National League in saves at thirty-eight.

d. January 4, 2002 · Pitcher for the New York Giants, 1945 to 1949.

d. January 4, 2005 · First baseman for the Washington Senators, 1940 to 1946.

d. January 4, 2008 · Left fielder for the Boston Braves, 1945 to 1945.

d. January 4, 2014 · Baseball figure for the Chicago Cubs, 1958 to 1958.

d. January 4, 2015 · Changeup specialist remembered for being blown off the mound by the wind at the 1961 All-Star Game at Candlestick Park.

d. January 4, 2017 · First baseman across two clubs, 1941 to 1945.

d. January 4, 2022 · Baseball figure for the Detroit Tigers, 1952 to 1952.

d. January 4, 2022 · Pitcher across five clubs, 1988 to 1999.