Gary Nolan debuted on April 15, 1967, playing for the Cincinnati Reds at Crosley Field; he played his final game on September 18, 1977, playing for the California Angels at Anaheim Stadium.
Gary Blaylock debuted on April 10, 1959 and played his final game on September 27, 1959.
Gary Hargis debuted on September 29, 1979, playing for the at ; he played his final game on September 29, 1979, playing for the at .
Nolan Arenado debuted on April 28, 2013, playing for the Colorado Rockies at Coors Field; he played his final game on September 29, 2013, playing for the Colorado Rockies at Coors Field.
The Only Nolan debuted on May 1, 1878, playing for the Indianapolis Blues at South Street Park; he played his final game on October 9, 1885, playing for the Philadelphia Quakers at Recreation Park.
Nolan Reimold debuted on May 14, 2009, playing for the Baltimore Orioles at Oriole Park at Camden Yards; he played his final game on July 13, 2013, playing for the Baltimore Orioles at Oriole Park at Camden Yards.
Nolan Arenado debuted on April 28, 2013 and played his final game on September 29, 2013.
NFL player Nolan Carroll played for Maryland.
Gary Alexander debuted on September 12, 1975 and played his final game on September 28, 1981.
Gary Allenson debuted on April 8, 1979 and played his final game on August 23, 1985.
Gary Beare debuted on September 7, 1976 and played his final game on October 1, 1977.
Gary Bell debuted on June 1, 1958 and played his final game on September 12, 1969.
Gary Bennett debuted on September 24, 1995 and played his final game on May 18, 2008.
Gary Blaylock debuted on April 10, 1959 and played his final game on September 27, 1959.
Gary Buckels debuted on July 23, 1994 and played his final game on August 10, 1994.
Gary Christenson debuted on September 1, 1979 and played his final game on July 3, 1980.
Gary Disarcina debuted on September 23, 1989 and played his final game on May 8, 2000.
Gary Dotter debuted on September 10, 1961 and played his final game on October 2, 1964.