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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 |
| Bruno | Block | James John | 1885 | 3 | 13 | Wisconsin Rapids | USA | 69 | 185 | 52 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1907 | Washington Senators | 57 | 0 | 2 | 0.1404 |
| 1910 | Chicago White Sox | 152 | 0 | 9 | 0.2105 |
| 1911 | Chicago White Sox | 115 | 1 | 18 | 0.3043 |
| 1912 | Chicago White Sox | 136 | 0 | 26 | 0.2574 |
| 1914 | Chicago Chi-Feds | 105 | 0 | 14 | 0.2000 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1907 | Washington Senators | 0 | 0 | 0 | 0 |
| 1910 | Chicago White Sox | 0 | 0 | 0 | 0 |
| 1911 | Chicago White Sox | 0 | 0 | 0 | 0 |
| 1912 | Chicago White Sox | 0 | 0 | 0 | 0 |
| 1914 | Chicago Chi-Feds | 0 | 0 | 0 | 0 |