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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 |
| Barney | Wolfe | Wilbert Otto | 1876 | 6 | 10 | Independence | USA | 73 | 0 | 76 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1903 | New York Highlanders | 53 | 0 | 1 | 0.0755 |
| 1904 | New York Highlanders | 10 | 0 | 0 | 0.0000 |
| 1904 | Washington Senators | 42 | 0 | 1 | 0.1190 |
| 1905 | Washington Senators | 63 | 1 | 5 | 0.1270 |
| 1906 | Washington Senators | 7 | 0 | 0 | 0.2857 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1903 | New York Highlanders | 6 | 9 | 20 | 1 |
| 1904 | New York Highlanders | 0 | 3 | 7 | 0 |
| 1904 | New York Highlanders | 6 | 9 | 17 | 2 |
| 1904 | Washington Senators | 0 | 3 | 7 | 0 |
| 1904 | Washington Senators | 6 | 9 | 17 | 2 |
| 1905 | Washington Senators | 9 | 13 | 28 | 1 |
| 1906 | Washington Senators | 0 | 3 | 4 | 0 |