Denny Lyons debuted on September 18, 1885, playing for the Providence Grays at Messer Street Grounds; he played his final game on July 23, 1897, playing for the Pittsburgh Pirates at Exposition Park.
Denny Lyons played in 32 games at third base for the Philadelphia Athletics in 1886, starting in none of them. He made 35 putouts, had 53 assists, and committed 21 errors, equivalent to .656 errors per game (estimate based on total games played in). He had one double play.
Denny Bautista debuted on May 25, 2004 and played his final game on August 4, 2010.
Denny Clare debuted on September 14, 1872 and played his final game on September 16, 1872.
Jerry Denny debuted on May 2, 1881 and played his final game on July 10, 1894.
John Denny debuted on September 12, 1974 and played his final game on August 18, 1986.
Denny Doyle debuted on April 7, 1970 and played his final game on September 30, 1977.
Denny Walling debuted on September 7, 1975, playing for the Oakland Athletics at Oakland Coliseum; he played his final game on April 10, 1992, playing for the at .
Harry Lyons debuted on August 29, 1887, playing for the Philadelphia Quakers at Philadelphia Baseball Grounds; he played his final game on July 4, 1893, playing for the New York Giants at Polo Grounds III.
Curt Lyons debuted on September 19, 1996, playing for the Cincinnati Reds at Riverfront Stadium; he played his final game on September 29, 1996, playing for the Cincinnati Reds at Riverfront Stadium.
Ed Lyons debuted on September 15, 1947, playing for the Washington Senators at Griffith Stadium I; he played his final game on September 28, 1947, playing for the Washington Senators at Griffith Stadium I.
Terry Lyons debuted on April 19, 1929, playing for the Philadelphia Phillies at Baker Bowl; he played his final game on April 19, 1929, playing for the Philadelphia Phillies at Baker Bowl.
Denny Clare debuted on September 14, 1872, playing for the Brooklyn Atlantics at Capitoline Grounds; he played his final game on September 16, 1872, playing for the Brooklyn Atlantics at Capitoline Grounds.