Billy Riley debuted on May 4, 1875, playing for the Keokuk Westerns at Perry Park; he played his final game on September 30, 1879, playing for the Cleveland Blues at Kennard Street Park.
Billy Riley played in 43 games at outfield for the Cleveland Blues in 1879, starting in none of them. He made 79 putouts, had 12 assists, and committed 16 errors, equivalent to .372 errors per game (estimate based on total games played in). He had one double play.
NFL player Riley Cooper played for Florida.
NFL player Perry Riley played for LSU.
Billy Alvord debuted on April 30, 1885 and played his final game on July 8, 1893.
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 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 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.