| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1894 | Washington Nationals | NL | MLB | WSN | - | 22 | 2 | 1 | 4.15 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 26.0 | 42 | 22 | 12 | 1 | 5 | 3 | 1 | 0 | 0 | 1.81 | 14.54 | 0.35 | 1.73 | 1.04 | 7.62 | 0.60 |
| 1895 | Washington Nationals | NL | MLB | WSN | - | 23 | 0 | 8 | 5.99 | 22 | 8 | 5 | 0 | 14 | 12 | 2 | 100.2 | 135 | 113 | 67 | 3 | 60 | 32 | 6 | 0 | 0 | 1.94 | 12.07 | 0.27 | 5.36 | 2.86 | 10.10 | 0.53 |
| 1896 | Washington Nationals | NL | MLB | WSN | - | 24 | 0 | 1 | 1.29 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.0 | 9 | 7 | 1 | 1 | 3 | 0 | 1 | 0 | 0 | 1.71 | 11.57 | 1.29 | 3.86 | 0.00 | 9.00 | 0.00 |
| 1899 | Chicago Orphans | NL | MLB | CHN | - | 27 | 0 | 1 | 13.00 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 9.0 | 19 | 13 | 13 | 0 | 5 | 7 | 0 | 0 | 1 | 2.67 | 19.00 | 0.00 | 5.00 | 7.00 | 13.00 | 1.40 |
| 1902 | Boston Beaneaters | NL | MLB | - | 30 | 8 | 10 | 2.59 | 21 | 19 | 17 | 1 | 2 | 2 | 1 | 170.1 | 158 | 82 | 49 | 0 | 58 | 39 | 4 | 0 | 0 | 1.27 | 8.35 | 0.00 | 3.06 | 2.06 | 4.33 | 0.67 | |
| 1903 | Boston Beaneaters | NL | MLB | - | 31 | 11 | 16 | 3.09 | 32 | 27 | 25 | 2 | 5 | 5 | 0 | 253.0 | 266 | 149 | 87 | 5 | 96 | 98 | 6 | 0 | 11 | 1.43 | 9.46 | 0.18 | 3.42 | 3.49 | 5.30 | 1.02 | |
| Tot: | MLB (6 yrs) | MLB | 21 | 37 | 3.64 | 80 | 59 | 51 | 3 | 19 | 21 | 3 | 566.0 | 629 | 386 | 229 | 10 | 227 | 179 | 18 | 0 | 12 | 1.51 | 10.00 | 0.16 | 3.61 | 2.85 | 6.14 | 0.79 | ||||
| Tot: | NL (6 yrs) | NL | 21 | 37 | 3.64 | 80 | 59 | 51 | 3 | 19 | 21 | 3 | 566.0 | 629 | 386 | 229 | 10 | 227 | 179 | 18 | 0 | 12 | 1.51 | 10.00 | 0.16 | 3.61 | 2.85 | 6.14 | 0.79 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1894 | Washington Nationals | NL | MLB | WSN | - | 22 | P | 4 | 14 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 0 | 1 | .071 | .071 | .071 | .142 | .000 | .000 | .000 | 0.00 | 57.14 | 0.00 | 0.00 | |
| 1895 | Washington Nationals | NL | MLB | WSN | - | 23 | P | 22 | 37 | 2 | 5 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 8 | 0 | 0 | 0 | 0 | 0 | 5 | 39 | 0 | 5 | .135 | .179 | .135 | .314 | .000 | .000 | .000 | 5.13 | 20.51 | 4.00 | 0.00 | |
| 1896 | Washington Nationals | NL | MLB | WSN | - | 24 | P | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 0 | .500 | .500 | 1.000 | 1.500 | .000 | .500 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1899 | Chicago Orphans | NL | MLB | CHN | - | 27 | P | 1 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 1 | 0 | .200 | .200 | .400 | .600 | .000 | .200 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1902 | Boston Beaneaters | NL | MLB | - | 30 | P | 22 | 62 | 3 | 13 | 4 | 0 | 1 | 7 | 1 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 20 | 68 | 5 | 8 | .210 | .269 | .323 | .592 | .000 | .113 | .000 | 7.35 | 0.00 | 0.00 | 62.00 | ||
| 1903 | Boston Beaneaters | NL | MLB | - | 31 | P | 74* | 32 | 87 | 12 | 14 | 2 | 2 | 0 | 6 | 0 | 0 | 7 | 0 | 3 | 1 | 0 | 0 | 0 | 20 | 98 | 4 | 10 | .161 | .247 | .230 | .477 | .000 | .069 | .000 | 7.14 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (6 yrs) | MLB | 82 | 207 | 19 | 35 | 8 | 2 | 1 | 18 | 1 | 0 | 14 | 16 | 3 | 2 | 0 | 0 | 0 | 50 | 226 | 11 | 24 | .169 | .232 | .242 | .474 | .145 | .072 | .179 | 6.19 | 7.08 | 1.14 | 207.00 | ||||||
| Tot: | NL (6 yrs) | NL | 82 | 207 | 19 | 35 | 8 | 2 | 1 | 18 | 1 | 0 | 14 | 16 | 3 | 2 | 0 | 0 | 0 | 50 | 226 | 11 | 24 | .169 | .232 | .242 | .474 | .145 | .072 | .179 | 6.19 | 7.08 | 1.14 | 207.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 41 | 44 | 42 | 40 | 42 | 40 | .432 |