Louis LeRoy debuted on September 22, 1905, playing for the New York Highlanders at Hilltop Park; he played his final game on April 20, 1910, playing for the Boston Red Sox at Huntington Avenue Grounds.
Leroy Reams debuted on May 7, 1969, playing for the at ; he played his final game on May 7, 1969, playing for the at .
Leroy Herrmann debuted on July 30, 1932, playing for the Chicago Cubs at Wrigley Field; he played his final game on September 17, 1935, playing for the Cincinnati Reds at Crosley Field.
John LeRoy debuted on September 26, 1997, playing for the Atlanta Braves at Turner Field; he played his final game on September 26, 1997, playing for the Atlanta Braves at Turner Field.
Leroy Stanton debuted on September 10, 1970, playing for the New York Mets at Shea Stadium; he played his final game on September 30, 1978, playing for the Seattle Mariners at Kingdome.
Louis Brower debuted on June 13, 1931 and played his final game on July 27, 1931.
Louis Coleman debuted on April 21, 2011 and played his final game on September 28, 2013.
Louis Drucke debuted on September 25, 1909 and played his final game on May 1, 1912.
NFL player Louis Murphy played for Florida.
Leroy Fer plays as a Midfielder for Netherlands.
NFL player Louis Vasquez played for Texas Tech.
NFL player Louis Nix played for Notre Dame.
NFL player Louis Delmas played for Western Michigan.