b. July 27, 1849 · Played five National Association seasons before a ten-season career in recognized major leagues.

b. July 27, 1856 · Catcher across two clubs, 1884 to 1885.

b. July 27, 1880 · Chicago's shortstop in the double-play trio that a few lines of newspaper verse turned into a permanent phrase in 1910.

b. July 27, 1884 · Pitcher across five clubs, 1906 to 1948.

b. July 27, 1889 · Pitcher for the Boston Braves, 1917 to 1918.

b. July 27, 1896 · Won 155 games for Connie Mack and gave up more home runs to Babe Ruth than any other pitcher.

b. July 27, 1897 · Caught for twenty-eight years, then taught Roy Campanella and Larry Doby how to do it at Newark.

b. July 27, 1898 · Caught 856 games across sixteen seasons and later managed the St. Louis Browns for parts of five years.

b. July 27, 1898 · Catcher who batted .255 across two clubs, 1923 to 1932.

b. July 27, 1905 · Light-hitting shortstop on the 1928 Yankees and the 1934 Cardinals; the Hall of Fame elected him as a manager, three years after his death.

b. July 27, 1907 · Pitcher for the Boston Red Sox, 1929 to 1929.

b. July 27, 1915 · Shortstop for the Washington Senators, 1945 to 1945.

b. July 27, 1917 · Pitcher across three clubs, 1939 to 1943.

b. July 27, 1928 · Pitcher for the Philadelphia Phillies, 1948 to 1949.

b. July 27, 1936 · Center fielder who batted .238 across three clubs, 1962 to 1969.

b. July 27, 1952 · Second baseman who batted .266 across two clubs, 1977 to 1982.

b. July 27, 1973 · Third baseman who batted .244 across four clubs, 1997 to 2005.

b. July 27, 1974 · Pitcher across three clubs, 2000 to 2006.

b. July 27, 1975 · 696 home runs and 3,115 hits, a season lost to a suspension, and four writers' ballots without election.

b. July 27, 1984 · Three Cy Young Awards, one in the American League and two in the National, and two no-hitters in the same 2015 season.

b. July 27, 1986 · Pitcher for the Florida Marlins, 2011 to 2011.

b. July 27, 1995 · Shortstop who batted .244 for the Kansas City Royals, 2016 to 2022.

b. July 27, 1995 · Pitcher across four clubs, 2018 to 2025.

b. July 27, 1995 · Pitcher across two clubs, 2020 to 2025.

d. July 27, 1888 · First baseman across three clubs, 1879 to 1882.

d. July 27, 1924 · Pitcher for the Boston Beaneaters, 1902 to 1902.

d. July 27, 1948 · Chicago's shortstop in the double-play trio that a few lines of newspaper verse turned into a permanent phrase in 1910.

d. July 27, 1958 · Third baseman for the Philadelphia Athletics, 1915 to 1915.

d. July 27, 1961 · Center fielder for the New York Highlanders, 1912 to 1912.

d. July 27, 1963 · Won 222 games for Detroit, more than any other pitcher in the club's history, and never pitched in a World Series.

d. July 27, 1964 · Pitcher for the Chicago White Sox, 1921 to 1921.

d. July 27, 1965 · Shortstop for the Cleveland Indians, 1919 to 1920.

d. July 27, 1968 · Won three games in the 1909 World Series as a rookie and walked fewer men per inning than almost anyone.

d. July 27, 1968 · First baseman who batted .268 across six clubs, 1929 to 1946.

d. July 27, 1968 · Catcher for the Boston Red Sox, 1931 to 1932.

d. July 27, 1968 · Catcher for the Washington Senators, 1935 to 1935.

d. July 27, 1969 · Pitcher for the Boston Braves, 1947 to 1949.

d. July 27, 1975 · Pitcher for the Washington Senators, 1911 to 1911.

d. July 27, 1977 · Catcher across two clubs, 1943 to 1945.

d. July 27, 1985 · Went 34-5 in 1912, hurt his thumb the next spring, and came back five years later as an outfielder.

d. July 27, 1985 · Pitcher for the Cleveland Indians, 1924 to 1925.

d. July 27, 1986 · Center fielder across four clubs, 1935 to 1939.

d. July 27, 1987 · Fifteen seasons at shortstop for the Giants, played on knees that kept failing him.

d. July 27, 1995 · Eighteen seasons behind the plate, more games caught than any American League catcher before him, and a Hall of Fame election the writers had no part in.

d. July 27, 1998 · Center fielder who batted .259 across three clubs, 1952 to 1963.

d. July 27, 2014 · Third baseman across three clubs, 1953 to 1961.

d. July 27, 2016 · Second baseman who batted .245 across two clubs, 1970 to 1977.

d. July 27, 2024 · Pitcher for the Minnesota Twins, 1961 to 1964.