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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 |
| Rudy | Kemmler | Rudolph | 1860 | 1 | 0 | Chicago | USA | 71 | 206 | 49 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1879 | Providence Grays | 7 | 0 | 0 | 0.1429 |
| 1881 | Cleveland Blues | 3 | 0 | 0 | 0.0000 |
| 1882 | Cincinnati Red Stockings | 11 | 0 | 0 | 0.0909 |
| 1882 | Pittsburg Alleghenys | 99 | 0 | 0 | 0.2525 |
| 1883 | Columbus Buckeyes | 318 | 0 | 0 | 0.2075 |
| 1884 | Columbus Buckeyes | 211 | 0 | 0 | 0.1991 |
| 1885 | Pittsburg Alleghenys | 64 | 0 | 5 | 0.2031 |
| 1886 | St. Louis Browns | 123 | 0 | 6 | 0.1382 |
| 1889 | Columbus Solons | 26 | 0 | 0 | 0.1154 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1879 | Providence Grays | 0 | 0 | 0 | 0 |
| 1881 | Cleveland Blues | 0 | 0 | 0 | 0 |
| 1882 | Cincinnati Red Stockings | 0 | 0 | 0 | 0 |
| 1882 | Pittsburg Alleghenys | 0 | 0 | 0 | 0 |
| 1883 | Columbus Buckeyes | 0 | 0 | 0 | 0 |
| 1884 | Columbus Buckeyes | 0 | 0 | 0 | 0 |
| 1885 | Pittsburg Alleghenys | 0 | 0 | 0 | 0 |
| 1886 | St. Louis Browns | 0 | 0 | 0 | 0 |
| 1889 | Columbus Solons | 0 | 0 | 0 | 0 |
| Year | Team | POS | E | DP | A |
|---|---|---|---|---|---|
| 1879 | Providence Grays | C | 4 | 0 | 7 |
| 1881 | Cleveland Blues | C | 0 | 1 | 2 |
| 1882 | Cincinnati Red Stockings | C | 1 | 0 | 2 |
| 1882 | Cincinnati Red Stockings | OF | 0 | 0 | 0 |
| 1882 | Pittsburg Alleghenys | C | 14 | 1 | 37 |
| 1882 | Pittsburg Alleghenys | OF | 0 | 0 | 0 |
| 1883 | Columbus Buckeyes | C | 71 | 10 | 97 |
| 1883 | Columbus Buckeyes | OF | 2 | 1 | 2 |
| 1884 | Columbus Buckeyes | 1B | 1 | 1 | 0 |
| 1884 | Columbus Buckeyes | C | 36 | 3 | 77 |
| 1884 | Columbus Buckeyes | OF | 0 | 0 | 0 |
| 1885 | Pittsburg Alleghenys | C | 17 | 0 | 28 |
| 1886 | St. Louis Browns | 1B | 2 | 1 | 2 |
| 1886 | St. Louis Browns | C | 21 | 3 | 63 |
| 1889 | Columbus Solons | C | 4 | 1 | 18 |