Walter Mueller debuted on May 7, 1922, playing for the Pittsburgh Pirates at Forbes Field; he played his final game on September 25, 1926, playing for the Pittsburgh Pirates at Forbes Field.
Walter Mueller played in 31 games at outfield for the Pittsburgh Pirates in 1922, starting in none of them. He made 74 putouts, had 8 assists, and committed 2 errors, equivalent to .065 errors per game (estimate based on total games played in). He had one double play.
Don Mueller debuted on August 2, 1948, playing for the New York Giants at Polo Grounds IV; he played his final game on May 2, 1959, playing for the at .
Les Mueller debuted on August 15, 1941, playing for the Detroit Tigers at Briggs Stadium; he played his final game on September 23, 1945, playing for the Detroit Tigers at Briggs Stadium.
Ray Mueller debuted on May 11, 1935, playing for the Boston Braves at Braves Field; he played his final game on September 9, 1951, playing for the Boston Braves at Braves Field.
Willie Mueller debuted on August 12, 1978, playing for the Milwaukee Brewers at County Stadium; he played his final game on September 20, 1981, playing for the Milwaukee Brewers at County Stadium.
Walter Alston debuted on September 27, 1936 and played his final game on September 27, 1936.
Walter Ancker debuted on September 3, 1915 and played his final game on September 14, 1915.
Walter Anderson debuted on May 14, 1917 and played his final game on May 2, 1919.
Walter Barbare debuted on September 17, 1914 and played his final game on October 1, 1922.
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.