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| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| Jim | Keenan | James W. | 1856 | 2 | 10 | New Haven | USA | 70 | 186 | 70 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1875 | New Haven Elm Citys | 13 | 0 | 0 | 0.0769 |
| 1880 | Buffalo Bisons | 7 | 0 | 0 | 0.1429 |
| 1882 | Pittsburg Alleghenys | 96 | 1 | 0 | 0.2188 |
| 1884 | Indianapolis Hoosiers | 249 | 3 | 0 | 0.2932 |
| 1885 | Cincinnati Red Stockings | 132 | 1 | 15 | 0.2652 |
| 1886 | Cincinnati Red Stockings | 148 | 3 | 24 | 0.2703 |
| 1887 | Cincinnati Red Stockings | 174 | 0 | 17 | 0.2529 |
| 1888 | Cincinnati Red Stockings | 313 | 1 | 40 | 0.2332 |
| 1889 | Cincinnati Red Stockings | 300 | 6 | 60 | 0.2867 |
| 1890 | Cincinnati Reds | 202 | 3 | 19 | 0.1386 |
| 1891 | Cincinnati Reds | 252 | 4 | 33 | 0.2024 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1875 | New Haven Elm Citys | 0 | 0 | 0 | 0 |
| 1880 | Buffalo Bisons | 0 | 0 | 0 | 0 |
| 1882 | Pittsburg Alleghenys | 0 | 0 | 0 | 0 |
| 1884 | Indianapolis Hoosiers | 0 | 0 | 1 | 0 |
| 1885 | Cincinnati Red Stockings | 0 | 0 | 1 | 0 |
| 1886 | Cincinnati Red Stockings | 0 | 1 | 2 | 0 |
| 1887 | Cincinnati Red Stockings | 0 | 0 | 0 | 0 |
| 1888 | Cincinnati Red Stockings | 0 | 0 | 0 | 0 |
| 1889 | Cincinnati Red Stockings | 0 | 0 | 0 | 0 |
| 1890 | Cincinnati Reds | 0 | 0 | 0 | 0 |
| 1891 | Cincinnati Reds | 0 | 0 | 0 | 0 |
| Year | Team | POS | E | DP | A |
|---|---|---|---|---|---|
| 1875 | New Haven Elm Citys | 3B | 9 | 0 | 0 |
| 1875 | New Haven Elm Citys | C | 2 | 0 | 2 |
| 1875 | New Haven Elm Citys | OF | 0 | 0 | 0 |
| 1880 | Buffalo Bisons | C | 1 | 0 | 7 |
| 1882 | Pittsburg Alleghenys | C | 17 | 3 | 21 |
| 1882 | Pittsburg Alleghenys | OF | 0 | 0 | 0 |
| 1882 | Pittsburg Alleghenys | SS | 2 | 0 | 1 |
| 1884 | Indianapolis Hoosiers | 1B | 2 | 1 | 4 |
| 1884 | Indianapolis Hoosiers | C | 39 | 5 | 71 |
| 1884 | Indianapolis Hoosiers | OF | 2 | 0 | 1 |
| 1884 | Indianapolis Hoosiers | P | 0 | 0 | 0 |
| 1884 | Indianapolis Hoosiers | SS | 2 | 0 | 4 |
| 1885 | Cincinnati Red Stockings | 1B | 3 | 1 | 0 |
| 1885 | Cincinnati Red Stockings | C | 16 | 1 | 37 |
| 1885 | Cincinnati Red Stockings | P | 0 | 0 | 1 |
| 1886 | Cincinnati Red Stockings | 1B | 1 | 2 | 1 |
| 1886 | Cincinnati Red Stockings | 3B | 2 | 1 | 5 |
| 1886 | Cincinnati Red Stockings | C | 20 | 2 | 45 |
| 1886 | Cincinnati Red Stockings | OF | 1 | 1 | 1 |
| 1886 | Cincinnati Red Stockings | P | 0 | 0 | 1 |
| 1887 | Cincinnati Red Stockings | 1B | 1 | 7 | 1 |
| 1887 | Cincinnati Red Stockings | C | 16 | 8 | 67 |
| 1888 | Cincinnati Red Stockings | 1B | 1 | 6 | 6 |
| 1888 | Cincinnati Red Stockings | C | 27 | 7 | 114 |
| 1889 | Cincinnati Red Stockings | 1B | 4 | 14 | 7 |
| 1889 | Cincinnati Red Stockings | 3B | 2 | 0 | 1 |
| 1889 | Cincinnati Red Stockings | C | 16 | 11 | 91 |
| 1890 | Cincinnati Reds | 1B | 0 | 1 | 1 |
| 1890 | Cincinnati Reds | 3B | 0 | 0 | 0 |
| 1890 | Cincinnati Reds | C | 16 | 5 | 63 |
| 1890 | Cincinnati Reds | OF | 0 | 0 | 0 |
| 1891 | Cincinnati Reds | 1B | 13 | 19 | 24 |
| 1891 | Cincinnati Reds | 3B | 1 | 0 | 2 |
| 1891 | Cincinnati Reds | C | 17 | 3 | 27 |