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| Name | Dave Koslo |
| Given Name | George Bernard |
| Birth Date | 1920-3-31 |
| Birth City | Menasha, WI |
| Height | 5'11" |
| Weight | 180 lbs. |
| Batting Hand | Left |
| Pitching Hand | Left |
| Alive | No |
| Age | 55 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1941 | New York Giants | 1 | 9 | 0 | 0 | 0.111111 | 1 | 2 | 4 | 12 | 0 |
| 1942 | New York Giants | 3 | 25 | 0 | 1 | 0.12 | 3 | 6 | 19 | 42 | 1 |
| 1946 | New York Giants | 11 | 88 | 0 | 6 | 0.125 | 14 | 19 | 40 | 121 | 3 |
| 1947 | New York Giants | 10 | 78 | 0 | 2 | 0.128205 | 15 | 10 | 39 | 86 | 3 |
| 1948 | New York Giants | 5 | 44 | 0 | 4 | 0.113636 | 8 | 10 | 35 | 58 | 3 |
| 1949 | New York Giants | 10 | 69 | 2 | 7 | 0.144928 | 11 | 14 | 38 | 64 | 0 |
| 1950 | New York Giants | 8 | 65 | 1 | 6 | 0.123077 | 13 | 15 | 40 | 56 | 1 |
| 1951 | New York Giants | 5 | 50 | 0 | 1 | 0.1 | 10 | 9 | 39 | 54 | 2 |
| 1952 | New York Giants | 2 | 54 | 0 | 3 | 0.037037 | 10 | 7 | 41 | 67 | 2 |
| 1953 | New York Giants | 1 | 30 | 0 | 0 | 0.033333 | 6 | 12 | 37 | 36 | 0 |
| 1954 | Baltimore Orioles | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 0 |
| 1954 | Baltimore Orioles | 0 | 3 | 0 | 0 | 0 | 1 | 1 | 12 | 7 | 0 |
| 1954 | Baltimore Orioles | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 0 |
| 1954 | Baltimore Orioles | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 12 | 7 | 0 |
| 1954 | Milwaukee Braves | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 0 |
| 1954 | Milwaukee Braves | 0 | 3 | 0 | 0 | 0 | 1 | 1 | 12 | 7 | 0 |
| 1954 | Milwaukee Braves | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 0 |
| 1954 | Milwaukee Braves | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 12 | 7 | 0 |
| 1955 | Milwaukee Braves | 0 | 0 | 0 | 0 | NAN | 0 | 1 | 1 | 0 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1941 | Pitcher | 1 | 0 | 3 |
| 1942 | Pitcher | 1 | 0 | 13 |
| 1946 | Pitcher | 3 | 1 | 61 |
| 1947 | Pitcher | 2 | 2 | 36 |
| 1948 | Pitcher | 0 | 1 | 24 |
| 1949 | Pitcher | 0 | 4 | 39 |
| 1950 | Pitcher | 2 | 3 | 37 |
| 1951 | Pitcher | 0 | 2 | 38 |
| 1952 | Pitcher | 4 | 7 | 33 |
| 1953 | Pitcher | 1 | 3 | 22 |
| 1954 | Pitcher | 0 | 0 | 1 |
| 1954 | Pitcher | 0 | 0 | 0 |
| 1955 | Pitcher | 0 | 0 | 0 |