Jack Harper
Batting
Baseball Reference Page
| Team | Year | Adj IP | W | L | BB | SO | ERA | RPG | Runs | Tot | R/IP | TE |
| CL4 | 1899 | 37.0 | 1 | 4 | 12 | 14 | 3.89 | 0.408 | 16.9 | 18.1 | 0.456 | 0.453 |
| SLN | 1900 | 3.1 | 0 | 1 | 2 | 0 | 12.00 | -0.487 | 1.1 | 0.9 | 0.344 | 0.263 |
| SLN | 1901 | 300.2 | 23 | 13 | 99 | 128 | 3.62 | 0.028 | 143.1 | 144.0 | 0.477 | 0.432 |
| SLA | 1902 | 222.6 | 15 | 11 | 81 | 74 | 4.13 | -0.031 | 103.5 | 102.8 | 0.465 | 0.418 |
| CIN | 1903 | 133.7 | 8 | 9 | 70 | 45 | 4.33 | 0.147 | 55.8 | 57.8 | 0.417 | 0.392 |
| CIN | 1904 | 292.6 | 23 | 9 | 85 | 125 | 2.30 | -0.082 | 145.9 | 143.2 | 0.499 | 0.440 |
| CIN | 1905 | 180.5 | 9 | 13 | 69 | 70 | 3.86 | 0.025 | 85.6 | 86.1 | 0.474 | 0.434 |
| CIN | 1906 | 37.4 | 1 | 4 | 20 | 10 | 4.17 | 0.399 | 15.4 | 16.6 | 0.411 | 0.410 |
| CHN | 1906 | 0.7 | 0 | 0 | 0 | 0 | 0.00 | | 0.4 | 0.4 | 0.558 | 0.565 |