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| Given Name: | John Dewey |
| Birth Date: | 1895-10-22 |
| Birth City: | Pellville |
| Birth Country: | |
| Height: | 71 cm |
| Weight: | 188 kg |
| Bats: | Right |
| Throws: | Right |
| Age: | 70(Deceased) |
| Teams and Years | Batting Average | Hits | At Bats | Home Runs | Runs Batted In | Wins | Losses | Games Pitched In | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1920 Pittsburgh Pirates | 0.000 | 0 | 3 | 0 | 0 | 1 | 0 | 2 | 3 | 1 | P | 0 | 0 | 2 |
| 1921 Pittsburgh Pirates | 0.119 | 5 | 42 | 0 | 0 | 9 | 7 | 21 | 52 | 3 | P | 0 | 2 | 37 |
| 1922 Pittsburgh Pirates | 0.198 | 20 | 101 | 0 | 9 | 17 | 11 | 45 | 104 | 5 | P | 2 | 0 | 69 |
| 1923 Pittsburgh Pirates | 0.183 | 21 | 115 | 0 | 12 | 25 | 13 | 42 | 114 | 2 | P | 2 | 1 | 70 |
| 1924 Pittsburgh Pirates | 0.169 | 13 | 77 | 0 | 2 | 11 | 16 | 41 | 85 | 0 | P | 3 | 2 | 50 |
| 1925 Pittsburgh Pirates | 0.178 | 13 | 73 | 0 | 8 | 17 | 14 | 44 | 60 | 0 | P | 2 | 2 | 43 |
| 1926 Pittsburgh Pirates | 0.077 | 3 | 39 | 0 | 0 | 6 | 8 | 26 | 39 | 2 | P | 0 | 3 | 20 |
| 1927 Pittsburgh Pirates | 0.154 | 2 | 13 | 0 | 0 | 3 | 2 | 21 | 21 | 0 | P | 1 | 1 | 6 |
| 1929 Brooklyn Robins | 0.163 | 7 | 43 | 0 | 0 | 13 | 7 | 39 | 57 | 0 | P | 2 | 1 | 15 |
| 1930 Brooklyn Robins | 0.000 | 0 | 5 | 0 | 0 | 1 | 2 | 16 | 11 | 0 | P | 1 | 0 | 6 |