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| Given Name: | Irvin Key |
| Birth Date: | 1877-1-26 |
| Birth City: | Wooster |
| Birth Country: | |
| Height: | 72 cm |
| Weight: | 162 kg |
| Bats: | Right |
| Throws: | Right |
| Age: | 59(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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 Pittsburgh Pirates | 0.088 | 3 | 34 | 0 | 0 | 5 | 3 | 12 | 20 | 1 | OF | 0 | 0 | 2 |
| 1903 Pittsburgh Pirates | 0.088 | 3 | 34 | 0 | 0 | 5 | 3 | 12 | 20 | 1 | P | 2 | 2 | 33 |
| 1904 Boston Beaneaters | 0.070 | 7 | 100 | 0 | 3 | 14 | 20 | 39 | 73 | 3 | P | 7 | 3 | 90 |
| 1905 Boston Beaneaters | 0.160 | 16 | 100 | 0 | 4 | 3 | 23 | 34 | 76 | 0 | OF | 1 | 0 | 0 |
| 1905 Boston Beaneaters | 0.160 | 16 | 100 | 0 | 4 | 3 | 23 | 34 | 76 | 0 | P | 5 | 2 | 77 |
| 1908 Brooklyn Superbas | 0.108 | 12 | 111 | 0 | 3 | 16 | 22 | 42 | 99 | 6 | P | 6 | 3 | 109 |
| 1909 Brooklyn Superbas | 0.228 | 13 | 57 | 0 | 4 | 3 | 13 | 22 | 45 | 1 | P | 6 | 0 | 56 |
| 1910 Brooklyn Superbas | 0.316 | 6 | 19 | 0 | 2 | 3 | 7 | 15 | 17 | 0 | P | 1 | 0 | 24 |
| 1914 Baltimore Terrapins | 0.250 | 21 | 84 | 0 | 8 | 12 | 17 | 47 | 113 | 1 | P | 4 | 1 | 82 |
| 1915 Baltimore Terrapins | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | P | 0 | 0 | 0 | |
| 1921 Philadelphia Phillies | 0.000 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | P | 0 | 0 | 1 |