Billy Southworth debuted on August 4, 1913, playing for the Cleveland Naps at League Park II; he played his final game on July 9, 1929, playing for the St. Louis Cardinals at Sportsman's Park IV.
Billy Alvord debuted on April 30, 1885 and played his final game on July 8, 1893.
Billy Beane debuted on September 13, 1984 and played his final game on October 1, 1989.
Billy Bowers debuted on April 24, 1949 and played his final game on June 9, 1949.
Billy Urbanski debuted on July 4, 1931, playing for the Boston Braves at Braves Field; he played his final game on April 23, 1937, playing for the at .
Billy Cox debuted on September 20, 1941, playing for the Pittsburgh Pirates at Forbes Field; he played his final game on June 11, 1955, playing for the Baltimore Orioles at Memorial Stadium.
Billy Southworth played in 119 games at outfield for the New York Giants in 1925, starting in none of them. He made 289 putouts, had 7 assists, and committed 11 errors, equivalent to .092 errors per game (estimate based on total games played in). He had one double play.
Billy Southworth played in 29 games at outfield for the New York Giants in 1926, starting in none of them. He made 62 putouts, had 2 assists, and committed 2 errors, equivalent to .069 errors per game (estimate based on total games played in). He had one double play.
Billy Alvord debuted on April 30, 1885 and played his final game on July 8, 1893.
Billy Beane debuted on September 13, 1984 and played his final game on October 1, 1989.
Billy Bowers debuted on April 24, 1949 and played his final game on June 9, 1949.
Billy Arnold debuted on April 26, 1872 and played his final game on May 2, 1872.
Billy Ashley debuted on September 1, 1992 and played his final game on July 30, 1998.
Billy Baldwin debuted on July 29, 1975 and played his final game on September 28, 1976.
Billy Barnie debuted on May 7, 1874 and played his final game on June 28, 1886.
Billy Brewer debuted on April 8, 1993 and played his final game on October 2, 1999.
Billy Buckner debuted on August 25, 2007 and played his final game on July 23, 2013.
Billy Burke debuted on April 30, 1910 and played his final game on September 26, 1911.