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| Name | Given Name | Age | Birthday | Height | Weight | Birth City | Birth Country | Batting Hand | Throwing Hand |
|---|---|---|---|---|---|---|---|---|---|
| Fritz Ostermueller | Frederick Raymond | 50 Deceased | 09/15/1907 | 6'11" | 175 lbs | Quincy | L | L |
| Year | Team | Games | At Bats | Hits | Home Runs | RBI | Batting AVG | Wins | Losses | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1934 | Boston Red Sox | 33 | 78 | 13 | 0 | 4 | 0.1667 | 10 | 13 | 75 | 0 | Pitcher | 2 | 2 | 52 |
| 1935 | Boston Red Sox | 22 | 49 | 14 | 0 | 7 | 0.2857 | 7 | 8 | 41 | 0 | Pitcher | 5 | 1 | 27 |
| 1936 | Boston Red Sox | 43 | 64 | 15 | 0 | 7 | 0.2344 | 10 | 16 | 90 | 1 | Pitcher | 1 | 1 | 42 |
| 1937 | Boston Red Sox | 25 | 33 | 11 | 0 | 6 | 0.3333 | 3 | 7 | 29 | 0 | Pitcher | 3 | 0 | 17 |
| 1938 | Boston Red Sox | 31 | 74 | 16 | 0 | 9 | 0.2162 | 13 | 5 | 46 | 1 | Pitcher | 4 | 3 | 30 |
| 1939 | Boston Red Sox | 34 | 56 | 9 | 0 | 4 | 0.1607 | 11 | 7 | 61 | 0 | Pitcher | 2 | 2 | 22 |
| 1940 | Boston Red Sox | 31 | 54 | 17 | 0 | 1 | 0.3148 | 5 | 9 | 80 | 0 | Pitcher | 1 | 0 | 21 |
| 1941 | St. Louis Browns | 15 | 14 | 3 | 0 | 0 | 0.2143 | 0 | 3 | 20 | 0 | Pitcher | 1 | 0 | 10 |
| 1942 | St. Louis Browns | 10 | 16 | 3 | 0 | 2 | 0.1875 | 3 | 1 | 21 | 0 | Pitcher | 0 | 0 | 6 |
| 1943 | Brooklyn Dodgers | 11 | 7 | 2 | 0 | 1 | 0.2857 | 0 | 2 | 4 | 0 | Pitcher | 0 | 0 | 8 |
| 1943 | St. Louis Browns | 7 | 11 | 0 | 0 | 0 | 0.0000 | 1 | 1 | 15 | 0 | Pitcher | 0 | 0 | 4 |
| 1944 | Brooklyn Dodgers | 10 | 13 | 2 | 0 | 0 | 0.1538 | 2 | 1 | 17 | 0 | Pitcher | 1 | 1 | 5 |
| 1944 | Pittsburgh Pirates | 28 | 80 | 20 | 0 | 6 | 0.2500 | 11 | 7 | 80 | 1 | Pitcher | 1 | 1 | 36 |
| 1945 | Pittsburgh Pirates | 14 | 28 | 9 | 0 | 4 | 0.3214 | 5 | 4 | 29 | 1 | Pitcher | 1 | 0 | 14 |
| 1946 | Pittsburgh Pirates | 27 | 64 | 21 | 0 | 2 | 0.3281 | 13 | 10 | 57 | 2 | Pitcher | 1 | 0 | 33 |
| 1947 | Pittsburgh Pirates | 26 | 64 | 12 | 0 | 5 | 0.1875 | 12 | 10 | 66 | 3 | Pitcher | 0 | 4 | 25 |
| 1948 | Pittsburgh Pirates | 23 | 44 | 8 | 0 | 4 | 0.1818 | 8 | 11 | 43 | 2 | Pitcher | 0 | 0 | 21 |