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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 |
| Joe | Gerhardt | John Joseph | 1855 | 2 | 14 | Washington | USA | 72 | 160 | 67 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1873 | Washington Blue Legs | 56 | 0 | 7 | 0.2143 |
| 1874 | Baltimore Canaries | 61 | 0 | 6 | 0.3115 |
| 1875 | New York Mutuals | 252 | 0 | 20 | 0.2143 |
| 1876 | Louisville Grays | 292 | 2 | 18 | 0.2603 |
| 1877 | Louisville Grays | 250 | 1 | 35 | 0.3040 |
| 1878 | Cincinnati Reds | 259 | 0 | 28 | 0.2973 |
| 1879 | Cincinnati Reds | 313 | 1 | 39 | 0.1981 |
| 1881 | Detroit Wolverines | 297 | 0 | 36 | 0.2424 |
| 1883 | Louisville Eclipse | 319 | 0 | 0 | 0.2633 |
| 1884 | Louisville Eclipse | 404 | 0 | 40 | 0.2203 |
| 1885 | New York Giants | 399 | 0 | 33 | 0.1554 |
| 1886 | New York Giants | 426 | 0 | 40 | 0.1901 |
| 1887 | New York Giants | 4 | 0 | 0 | 0.0000 |
| 1887 | New York Metropolitans | 307 | 0 | 27 | 0.2215 |
| 1890 | Brooklyn Gladiators | 369 | 2 | 40 | 0.2033 |
| 1890 | St. Louis Browns | 125 | 1 | 11 | 0.2560 |
| 1891 | Louisville Colonels | 6 | 0 | 0 | 0.0000 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1873 | Washington Blue Legs | 0 | 0 | 0 | 0 |
| 1874 | Baltimore Canaries | 0 | 0 | 0 | 0 |
| 1875 | New York Mutuals | 0 | 0 | 0 | 0 |
| 1876 | Louisville Grays | 0 | 0 | 0 | 0 |
| 1877 | Louisville Grays | 0 | 0 | 0 | 0 |
| 1878 | Cincinnati Reds | 0 | 0 | 0 | 0 |
| 1879 | Cincinnati Reds | 0 | 0 | 0 | 0 |
| 1881 | Detroit Wolverines | 0 | 0 | 0 | 0 |
| 1883 | Louisville Eclipse | 0 | 0 | 0 | 0 |
| 1884 | Louisville Eclipse | 0 | 0 | 0 | 0 |
| 1885 | New York Giants | 0 | 0 | 0 | 0 |
| 1886 | New York Giants | 0 | 0 | 0 | 0 |
| 1887 | New York Giants | 0 | 0 | 0 | 0 |
| 1887 | New York Metropolitans | 0 | 0 | 0 | 0 |
| 1890 | Brooklyn Gladiators | 0 | 0 | 0 | 0 |
| 1890 | St. Louis Browns | 0 | 0 | 0 | 0 |
| 1891 | Louisville Colonels | 0 | 0 | 0 | 0 |
| Year | Team | POS | E | DP | A |
|---|---|---|---|---|---|
| 1873 | Washington Blue Legs | SS | 21 | 4 | 40 |
| 1874 | Baltimore Canaries | SS | 22 | 3 | 59 |
| 1875 | New York Mutuals | 2B | 15 | 5 | 37 |
| 1875 | New York Mutuals | 3B | 59 | 3 | 98 |
| 1875 | New York Mutuals | OF | 0 | 0 | 0 |
| 1875 | New York Mutuals | SS | 1 | 0 | 4 |
| 1876 | Louisville Grays | 1B | 40 | 13 | 13 |
| 1876 | Louisville Grays | 2B | 2 | 1 | 16 |
| 1876 | Louisville Grays | 3B | 4 | 0 | 4 |
| 1876 | Louisville Grays | OF | 0 | 0 | 3 |
| 1876 | Louisville Grays | SS | 1 | 1 | 8 |
| 1877 | Louisville Grays | 1B | 0 | 0 | 0 |
| 1877 | Louisville Grays | 2B | 52 | 30 | 244 |
| 1877 | Louisville Grays | OF | 0 | 0 | 0 |
| 1877 | Louisville Grays | SS | 0 | 0 | 4 |
| 1878 | Cincinnati Reds | 2B | 38 | 26 | 206 |
| 1879 | Cincinnati Reds | 1B | 5 | 4 | 5 |
| 1879 | Cincinnati Reds | 2B | 39 | 23 | 192 |
| 1879 | Cincinnati Reds | 3B | 11 | 3 | 34 |
| 1879 | Cincinnati Reds | SS | 0 | 1 | 1 |
| 1881 | Detroit Wolverines | 2B | 51 | 62 | 242 |
| 1881 | Detroit Wolverines | 3B | 0 | 0 | 0 |
| 1883 | Louisville Eclipse | 2B | 56 | 42 | 263 |
| 1884 | Louisville Eclipse | 2B | 64 | 64 | 391 |
| 1885 | New York Giants | 2B | 65 | 59 | 352 |
| 1886 | New York Giants | 2B | 57 | 50 | 355 |
| 1887 | New York Giants | 3B | 0 | 0 | 2 |
| 1887 | New York Metropolitans | 2B | 65 | 48 | 271 |
| 1887 | New York Metropolitans | 3B | 0 | 0 | 2 |
| 1890 | Brooklyn Gladiators | 2B | 47 | 67 | 348 |
| 1890 | St. Louis Browns | 2B | 5 | 5 | 55 |
| 1890 | St. Louis Browns | 3B | 4 | 3 | 37 |
| 1891 | Louisville Colonels | 2B | 2 | 0 | 6 |