Walter Johnson debuted on August 2, 1907, playing for the Washington Senators at American League Park II; he played his final game on September 30, 1927, playing for the Washington Senators at Griffith Stadium I.
Walter Johnson's first major league game was on 1907 August 2 and, (literally) with his first pitch, hitter Ty Cobb knew that Johnson was one of the best ever. His final MLB season was 1927.
Walter Alston debuted on September 27, 1936 and played his final game on September 27, 1936.
Walter Anderson debuted on May 14, 1917 and played his final game on May 2, 1919.
Walter Beall debuted on September 3, 1924 and played his final game on June 12, 1929.
Walter Bernhardt debuted on July 16, 1918 and played his final game on July 16, 1918.
Walter Blair debuted on September 17, 1907 and played his final game on September 29, 1915.
Walter Brown debuted on May 16, 1947 and played his final game on September 24, 1947.
Walter Carlisle debuted on May 8, 1908 and played his final game on May 11, 1908.
Walter Clarkson debuted on July 2, 1904 and played his final game on April 28, 1908.
Walter Ancker debuted on September 3, 1915 and played his final game on September 14, 1915.
Walter Barbare debuted on September 17, 1914 and played his final game on October 1, 1922.
Walter Coleman debuted on September 25, 1895 and played his final game on September 25, 1895.