Oscar Walker debuted on September 17, 1875, playing for the Brooklyn Atlantics at Union Grounds; he played his final game on September 4, 1885, playing for the Baltimore Orioles at Oriole Park.
Oscar Azocar debuted on July 17, 1990 and played his final game on October 4, 1992.
Oscar Bielaski debuted on April 24, 1872 and played his final game on July 21, 1876.
Oscar Brown debuted on September 3, 1969 and played his final game on September 30, 1973.
Oscar Dugey debuted on September 13, 1913 and played his final game on August 15, 1920.
Oscar Estrada debuted on April 21, 1929 and played his final game on April 21, 1929.
Oscar Walker played in 11 games at outfield for the Buffalo Bisons in 1880, starting in none of them. He made 19 putouts, had 3 assists, and committed 4 errors, equivalent to .364 errors per game (estimate based on total games played in). He had one double play.
Walker Cress debuted on April 27, 1948 and played his final game on May 1, 1949.
Oscar Walker played in just one game at first base for the Brooklyn Atlantics in 1875 and did not start. He made 2 putouts, had no assists, and committed 3 errors, equivalent to 3 errors per game (estimate based on total games played in). He had one double play.
Oscar Walker played in just one game at first base for the St. Louis Brown Stockings in 1882 and did not start. He made 12 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
NFL player Walker May played for Vanderbilt.
NFL player Casey Walker played for Oklahoma.
NFL player Tyrunn Walker played for Tulsa.