Heinie Mueller debuted on September 25, 1920, playing for the St. Louis Cardinals at Robison Field/Sportsman's Park IV; he played his final game on June 15, 1935, playing for the St. Louis Browns at Sportsman's Park IV.
Heinie Mueller played in 41 games at outfield for the Boston Braves in 1928, starting in none of them. He made 127 putouts, had 6 assists, and committed 2 errors, equivalent to .049 errors per game (estimate based on total games played in). He had one double play.
Heinie Mueller played in just one game at short stop for the Philadelphia Phillies in 1939 and did not start. He made no putouts, had 3 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Heinie Mueller played in 54 games at outfield for the St. Louis Cardinals in 1921, starting in none of them. He made 117 putouts, had 5 assists, and committed 3 errors, equivalent to .056 errors per game (estimate based on total games played in). He had one double play.
Heinie Mueller played in 13 games at third base for the Philadelphia Phillies in 1940, starting in none of them. He made 14 putouts, had 19 assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had one double play.
Heinie Beckendorf debuted on April 16, 1909 and played his final game on September 10, 1910.
Heinie Berger debuted on May 6, 1907 and played his final game on July 22, 1910.
Heinie Elder debuted on July 7, 1913 and played his final game on July 7, 1913.
Heinie Stafford debuted on October 5, 1916, playing for the at ; he played his final game on October 5, 1916, playing for the at .
Your thinking of Frank Mueller, and he didn't play for St. Louis. He played for the Cubs (1920-1934). This is a very good question, though, and i admire you for asking!!! There was a Clarance Francis Mueller that played with the Cardinals between 1920-1926. His nickname was Heinie. I found no Frank Mueller for the Cubs anywhere.
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 .
Heinie Elder debuted on July 7, 1913, playing for the Detroit Tigers at Navin Field; he played his final game on July 7, 1913, playing for the Detroit Tigers at Navin Field.
Heinie Heitmuller debuted on April 26, 1909, playing for the Philadelphia Athletics at Shibe Park; he played his final game on July 23, 1910, playing for the Philadelphia Athletics at Shibe Park.