Harry Trekell debuted on August 16, 1913, playing for the St. Louis Cardinals at Robison Field; he played his final game on September 22, 1913, playing for the St. Louis Cardinals at Robison Field.
Harry Biemiller debuted on August 26, 1920 and played his final game on August 26, 1925.
Harry Chapman debuted on October 6, 1912 and played his final game on July 19, 1916.
Harry Chappas debuted on September 7, 1978 and played his final game on June 13, 1980.
Harry Child debuted on July 16, 1930 and played his final game on September 11, 1930.
Harry Dooms debuted on August 7, 1892 and played his final game on August 7, 1892.
Harry Ables debuted on September 4, 1905 and played his final game on May 5, 1911.
Harry Agganis debuted on April 13, 1954 and played his final game on June 2, 1955.
Harry Anderson debuted on April 18, 1957 and played his final game on May 5, 1961.
Harry Armbruster debuted on April 30, 1906 and played his final game on October 3, 1906.
Harry Arndt debuted on July 2, 1902 and played his final game on May 25, 1907.
Harry Arundel debuted on July 19, 1875 and played his final game on October 10, 1884.
Harry Baldwin debuted on May 4, 1924 and played his final game on April 24, 1925.
Harry Barton debuted on April 15, 1905 and played his final game on September 26, 1905.
Harry Baumgartner debuted on September 6, 1920 and played his final game on October 2, 1920.
Harry Bay debuted on July 23, 1901 and played his final game on May 3, 1908.
Harry Bemis debuted on April 23, 1902 and played his final game on August 15, 1910.
Harry Berte debuted on September 17, 1903 and played his final game on September 22, 1903.