John Callahan debuted on September 3, 1898 and played his final game on September 4, 1898.
John Callahan debuted on September 3, 1898, playing for the St. Louis Browns at Robison Field; he played his final game on September 4, 1898, playing for the St. Louis Browns at Robison Field.
Ben Callahan debuted on June 22, 1983 and played his final game on July 3, 1983.
Dave Callahan debuted on September 14, 1910 and played his final game on October 4, 1911.
Ed Callahan debuted on July 19, 1884 and played his final game on October 13, 1884.
Jim Callahan debuted on May 25, 1902 and played his final game on May 25, 1902.
Joe Callahan debuted on September 13, 1939 and played his final game on June 15, 1940.
Leo Callahan debuted on April 9, 1913 and played his final game on September 28, 1919.
Jimmy Callahan debuted on May 12, 1894 and played his final game on July 29, 1913.
Ray Callahan debuted on September 12, 1915 and played his final game on September 27, 1915.
Wese Callahan debuted on September 7, 1913 and played his final game on September 21, 1913.
Ed Callahan debuted on July 19, 1884, playing for the St. Louis Maroons at ; he played his final game on October 13, 1884, playing for the Boston Reds at .
Jimmy Callahan debuted on May 12, 1894, playing for the Philadelphia Phillies at Philadelphia Baseball Grounds; he played his final game on July 29, 1913, playing for the Chicago White Sox at Comiskey Park.