Harry Otis debuted on September 5, 1909, playing for the Cleveland Naps at League Park I; he played his final game on September 29, 1909, playing for the Cleveland Naps at League Park I.
Otis Brannan debuted on April 11, 1928 and played his final game on October 5, 1929.
Otis Thornton debuted on July 6, 1973, playing for the Houston Astros at Astrodome; he played his final game on July 6, 1973, playing for the Houston Astros at Astrodome.
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.
Otis Brannan debuted on April 11, 1928 and played his final game on October 5, 1929.
Otis Clymer debuted on April 14, 1905 and played his final game on August 8, 1913.
Otis Davis debuted on April 22, 1946 and played his final game on April 22, 1946.
Otis Davis debuted on April 22, 1946, playing for the at ; he played his final game on April 22, 1946, playing for the at .
NFL player Otis Hudson played for Eastern Illinois.
Otis Miller debuted on April 17, 1927, playing for the St. Louis Browns at Sportsman's Park IV; he played his final game on April 29, 1932, playing for the at .
Otis Thornton debuted on July 6, 1973, playing for the Houston Astros at Astrodome; he played his final game on July 6, 1973, playing for the Houston Astros at Astrodome.
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.