Bill Regan debuted on June 2, 1926, playing for the Boston Red Sox at Fenway Park I; he played his final game on June 14, 1931, playing for the Pittsburgh Pirates at Forbes Field.
Mike Regan debuted on May 13, 1917, playing for the Cincinnati Reds at Crosley Field; he played his final game on May 6, 1919, playing for the Cincinnati Reds at Crosley Field.
Phil Regan debuted on July 19, 1960, playing for the Detroit Tigers at Briggs Stadium; he played his final game on July 15, 1972, playing for the Chicago White Sox at Comiskey Park.
Joe Regan debuted on September 21, 1898, playing for the New York Giants at Polo Grounds III; he played his final game on September 22, 1898, playing for the New York Giants at Polo Grounds III.
King Lear is the Shakespeare play that the character Regan is in. King Lear was written between 1603 and 1606. In the play Regan is the second daughter of King Lear.
Bill Abernathie debuted on September 27, 1952 and played his final game on September 27, 1952.
Bill Abstein debuted on September 25, 1906 and played his final game on June 2, 1910.
Bill Ahearn debuted on June 19, 1880 and played his final game on June 19, 1880.
Bill Akers debuted on September 8, 1929 and played his final game on July 27, 1932.
Bill Allison debuted on May 21, 1872 and played his final game on July 4, 1872.
Bill Almon debuted on September 2, 1974 and played his final game on June 14, 1988.
Bill Anderson debuted on September 10, 1925 and played his final game on September 17, 1925.
Bill Andrus debuted on September 19, 1931 and played his final game on May 11, 1937.