Doug Gwosdz debuted on August 17, 1981, playing for the San Diego Padres at Jack Murphy Stadium; he played his final game on September 24, 1984, playing for the San Diego Padres at Jack Murphy Stadium.
Doug DeVore debuted on May 6, 2004 and played his final game on October 3, 2004.
Doug Bair debuted on September 13, 1976 and played his final game on October 3, 1990.
Doug Allison debuted on May 5, 1871, playing for the Washington Olympics at Olympics Grounds; he played his final game on July 13, 1883, playing for the Baltimore Orioles at Oriole Park.
Doug Rader debuted on July 31, 1967, playing for the Houston Astros at Astrodome; he played his final game on October 2, 1977, playing for the Toronto Blue Jays at Exhibition Stadium.
Doug Slaten debuted on September 4, 2006, playing for the Arizona Diamondbacks at Chase Field; he played his final game on June 25, 2012, playing for the Pittsburgh Pirates at PNC Park.
Doug Adams debuted on September 8, 1969 and played his final game on October 1, 1969.
Doug Allison debuted on May 5, 1871 and played his final game on July 13, 1883.
Doug Ault debuted on September 9, 1976 and played his final game on October 5, 1980.
Doug Baird debuted on April 18, 1915 and played his final game on October 2, 1920.
Doug Bernier debuted on June 17, 2008 and played his final game on September 29, 2013.
Doug Bird debuted on April 29, 1973 and played his final game on September 10, 1983.
Doug Bochtler debuted on May 5, 1995 and played his final game on July 22, 2000.
Doug Brady debuted on September 5, 1995 and played his final game on October 1, 1995.
Doug Brocail debuted on September 8, 1992 and played his final game on October 2, 2009.
Doug Camilli debuted on September 25, 1960 and played his final game on September 14, 1969.
Doug Capilla debuted on September 12, 1976 and played his final game on September 29, 1981.
Doug Clarey debuted on April 20, 1976 and played his final game on August 4, 1976.