| 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 |
| 1888 | Chicago White Stockings | NL | MLB | CHN | - | 22 | 25 | 14 | 2.44 | 39 | 39 | 39 | 4 | 0 | 0 | 0 | 339.2 | 295 | 143 | 92 | 20 | 45 | 161 | 14 | 0 | 9 | 1.00 | 7.82 | 0.53 | 1.19 | 4.27 | 3.79 | 3.58 |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 23 | 3 | 3 | 4.90 | 7 | 7 | 5 | 0 | 0 | 0 | 0 | 60.2 | 86 | 43 | 33 | 10 | 14 | 16 | 0 | 0 | 2 | 1.65 | 12.76 | 1.48 | 2.08 | 2.37 | 6.38 | 1.14 |
| 1889 | Indianapolis Hoosiers | NL | MLB | IN3 | - | 23 | 2 | 2 | 7.31 | 4 | 4 | 3 | 0 | 0 | 0 | 0 | 32.0 | 48 | 38 | 26 | 2 | 14 | 10 | 1 | 0 | 0 | 1.94 | 13.50 | 0.56 | 3.94 | 2.81 | 10.69 | 0.71 |
| 1889 | Washington Nationals | NL | MLB | WS8 | - | 23 | 2 | 4 | 5.25 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 48.0 | 65 | 50 | 28 | 1 | 22 | 17 | 1 | 0 | 1 | 1.81 | 12.19 | 0.19 | 4.13 | 3.19 | 9.38 | 0.77 |
| 1890 | Buffalo Bisons | MLB | MLB | BFR | - | 24 | 0 | 3 | 6.12 | 4 | 3 | 3 | 0 | 1 | 1 | 0 | 25.0 | 43 | 37 | 17 | 1 | 15 | 5 | 0 | 0 | 0 | 2.32 | 15.48 | 0.36 | 5.40 | 1.80 | 13.32 | 0.33 |
| Tot: | MLB (3 yrs) | MLB | 32 | 26 | 3.49 | 60 | 59 | 56 | 4 | 1 | 1 | 0 | 505.1 | 537 | 311 | 196 | 34 | 110 | 209 | 16 | 0 | 12 | 1.28 | 9.56 | 0.61 | 1.96 | 3.72 | 5.54 | 1.90 | ||||
| Tot: | NL (2 yrs) | NL | 32 | 23 | 3.35 | 56 | 56 | 53 | 4 | 0 | 0 | 0 | 480.1 | 494 | 274 | 179 | 33 | 95 | 204 | 16 | 0 | 12 | 1.23 | 9.26 | 0.62 | 1.78 | 3.82 | 5.13 | 2.15 | ||||
| Tot: | MLB (1 yrs) | MLB | 0 | 3 | 6.12 | 4 | 3 | 3 | 0 | 1 | 1 | 0 | 25.0 | 43 | 37 | 17 | 1 | 15 | 5 | 0 | 0 | 0 | 2.32 | 15.48 | 0.36 | 5.40 | 1.80 | 13.32 | 0.33 | ||||
| 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 |
| 1888 | Chicago White Stockings | NL | MLB | CHN | - | 22 | P | 39 | 134 | 9 | 22 | 0 | 0 | 1 | 11 | 1 | 0 | 5 | 34 | 1 | 0 | 0 | 0 | 0 | 25 | 140 | 1 | 21 | .164 | .200 | .187 | .387 | .000 | .023 | .000 | 3.57 | 24.29 | 6.80 | 134.00 | |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 23 | P | 7 | 24 | 4 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 4 | 24 | 0 | 4 | .167 | .167 | .167 | .334 | .000 | .000 | .000 | 0.00 | 25.00 | 0.00 | 0.00 | |
| 1889 | Indianapolis Hoosiers | NL | MLB | IN3 | - | 23 | P | 4 | 14 | 2 | 5 | 0 | 0 | 0 | 4 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 16 | 0 | 5 | .357 | .438 | .357 | .795 | .000 | .000 | .000 | 12.50 | 6.25 | 0.50 | 0.00 | |
| 1889 | Washington Nationals | NL | MLB | WS8 | - | 23 | P | 6 | 23 | 3 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 23 | 0 | 2 | .087 | .087 | .087 | .174 | .000 | .000 | .000 | 0.00 | 8.70 | 0.00 | 0.00 | |
| 1890 | Buffalo Bisons | MLB | MLB | BFR | - | 24 | P | 4 | 12 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 0 | 1 | .083 | .154 | .083 | .237 | .000 | .000 | .000 | 7.69 | 30.77 | 4.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 60 | 207 | 19 | 34 | 0 | 0 | 1 | 21 | 2 | 0 | 8 | 47 | 1 | 0 | 0 | 0 | 0 | 37 | 216 | 1 | 33 | .164 | .199 | .179 | .378 | .063 | .014 | .208 | 3.70 | 21.76 | 5.88 | 207.00 | ||||||
| Tot: | NL (2 yrs) | NL | 56 | 195 | 18 | 33 | 0 | 0 | 1 | 20 | 2 | 0 | 7 | 43 | 1 | 0 | 0 | 0 | 0 | 36 | 203 | 1 | 32 | .169 | .202 | .185 | .387 | .062 | .015 | .212 | 3.45 | 21.18 | 6.14 | 195.00 | ||||||
| Tot: | MLB (1 yrs) | MLB | 4 | 12 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 0 | 1 | .083 | .154 | .083 | .237 | .083 | .000 | .125 | 7.69 | 30.77 | 4.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 39 | 59 | 29 | 48 | 29 | 56 | .426 |