| 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 |
| 1880 | Chicago White Stockings | NL | MLB | CHN | - | 20 | 43 | 14 | 1.95 | 63 | 60 | 57 | 4 | 3 | 3 | 2 | 536.1 | 404 | 218 | 116 | 6 | 99 | 268 | 19 | 0 | 0 | 0.94 | 6.78 | 0.10 | 1.66 | 4.50 | 3.66 | 2.71 |
| 1881 | Chicago White Stockings | NL | MLB | CHN | - | 21 | 31 | 14 | 2.31 | 45 | 44 | 43 | 4 | 1 | 1 | 0 | 396.2 | 380 | 204 | 102 | 10 | 78 | 150 | 27 | 0 | 0 | 1.15 | 8.62 | 0.23 | 1.77 | 3.40 | 4.63 | 1.92 |
| 1882 | Chicago White Stockings | NL | MLB | CHN | - | 22 | 27 | 12 | 1.95 | 39 | 39 | 38 | 3 | 0 | 0 | 0 | 355.2 | 281 | 153 | 77 | 5 | 63 | 170 | 17 | 0 | 0 | 0.97 | 7.11 | 0.13 | 1.59 | 4.30 | 3.87 | 2.70 |
| 1883 | Chicago White Stockings | NL | MLB | CHN | - | 23 | 34 | 20 | 2.49 | 56 | 53 | 51 | 3 | 3 | 3 | 0 | 473.2 | 483 | 281 | 131 | 7 | 82 | 216 | 19 | 0 | 0 | 1.19 | 9.18 | 0.13 | 1.56 | 4.10 | 5.34 | 2.63 |
| 1884 | Chicago White Stockings | NL | MLB | CHN | - | 24 | 35 | 23 | 2.40 | 60 | 59 | 57 | 7 | 1 | 1 | 0 | 516.2 | 473 | 286 | 138 | 35 | 116 | 272 | 27 | 0 | 0 | 1.14 | 8.24 | 0.61 | 2.02 | 4.74 | 4.98 | 2.34 |
| 1885 | Chicago White Stockings | NL | MLB | CHN | - | 25 | 5 | 2 | 3.64 | 7 | 7 | 6 | 1 | 0 | 0 | 0 | 59.1 | 63 | 38 | 24 | 2 | 24 | 10 | 2 | 0 | 0 | 1.47 | 9.56 | 0.30 | 3.64 | 1.52 | 5.76 | 0.42 |
| 1885 | New York Giants | NL | MLB | NY1 | - | 25 | 2 | 1 | 2.88 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 25.0 | 24 | 12 | 8 | 1 | 11 | 10 | 2 | 0 | 0 | 1.40 | 8.64 | 0.36 | 3.96 | 3.60 | 4.32 | 0.91 |
| 1886 | Washington Nationals | NL | MLB | WS8 | - | 26 | 0 | 1 | 5.79 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 14.0 | 16 | 11 | 9 | 0 | 4 | 3 | 0 | 0 | 0 | 1.43 | 10.29 | 0.00 | 2.57 | 1.93 | 7.07 | 0.75 |
| 1887 | Indianapolis Hoosiers | NL | MLB | IN3 | - | 27 | 0 | 2 | 12.60 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 15.0 | 23 | 31 | 21 | 3 | 19 | 4 | 0 | 0 | 2 | 2.80 | 13.80 | 1.80 | 11.40 | 2.40 | 18.60 | 0.21 |
| Tot: | MLB (8 yrs) | MLB | 177 | 89 | 2.36 | 277 | 268 | 256 | 22 | 9 | 9 | 2 | 2392.1 | 2147 | 1234 | 626 | 69 | 496 | 1103 | 113 | 0 | 2 | 1.10 | 8.08 | 0.26 | 1.87 | 4.15 | 4.64 | 2.22 | ||||
| Tot: | NL (8 yrs) | NL | 177 | 89 | 2.36 | 277 | 268 | 256 | 22 | 9 | 9 | 2 | 2392.1 | 2147 | 1234 | 626 | 69 | 496 | 1103 | 113 | 0 | 2 | 1.10 | 8.08 | 0.26 | 1.87 | 4.15 | 4.64 | 2.22 | ||||
| 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 |
| 1880 | Chicago White Stockings | NL | MLB | CHN | - | 20 | P | 72 | 286 | 41 | 66 | 11 | 1 | 0 | 25 | 0 | 0 | 10 | 33 | 0 | 0 | 0 | 0 | 0 | 79 | 296 | 12 | 54 | .231 | .257 | .276 | .533 | .000 | .045 | .000 | 3.38 | 11.15 | 3.30 | 0.00 | |
| 1881 | Chicago White Stockings | NL | MLB | CHN | - | 21 | P | 47 | 189 | 25 | 42 | 8 | 0 | 0 | 9 | 0 | 0 | 5 | 22 | 0 | 0 | 0 | 0 | 0 | 50 | 194 | 8 | 34 | .222 | .242 | .265 | .507 | .000 | .043 | .000 | 2.58 | 11.34 | 4.40 | 0.00 | |
| 1882 | Chicago White Stockings | NL | MLB | CHN | - | 22 | P | 40 | 169 | 23 | 35 | 10 | 2 | 1 | 24 | 0 | 0 | 6 | 18 | 0 | 0 | 0 | 0 | 0 | 52 | 175 | 13 | 22 | .207 | .234 | .308 | .542 | .000 | .101 | .000 | 3.43 | 10.29 | 3.00 | 169.00 | |
| 1883 | Chicago White Stockings | NL | MLB | CHN | - | 23 | P | 68 | 263 | 40 | 55 | 12 | 7 | 0 | 25 | 0 | 0 | 6 | 62 | 0 | 0 | 0 | 0 | 0 | 81 | 269 | 19 | 36 | .209 | .227 | .308 | .535 | .000 | .099 | .000 | 2.23 | 23.05 | 10.33 | 0.00 | |
| 1884 | Chicago White Stockings | NL | MLB | CHN | - | 24 | P | 64 | 251 | 43 | 61 | 3 | 4 | 1 | 19 | 0 | 0 | 10 | 33 | 0 | 0 | 0 | 0 | 0 | 75 | 261 | 8 | 53 | .243 | .272 | .299 | .571 | .000 | .056 | .000 | 3.83 | 12.64 | 3.30 | 251.00 | |
| 1885 | Chicago White Stockings | NL | MLB | CHN | - | 25 | P | 7 | 22 | 6 | 6 | 1 | 0 | 0 | 4 | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 28 | 1 | 5 | .273 | .429 | .318 | .747 | .000 | .045 | .000 | 21.43 | 3.57 | 0.17 | 0.00 | |
| 1885 | New York Giants | NL | MLB | NY1 | - | 25 | P | 3 | 14 | 3 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 14 | 0 | 5 | .357 | .357 | .357 | .714 | .000 | .000 | .000 | 0.00 | 7.14 | 0.00 | 0.00 | |
| 1886 | New York Giants | NL | MLB | NY1 | - | 26 | OF | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1886 | Washington Nationals | NL | MLB | WS8 | - | 26 | OF-SS | 21 | 81 | 9 | 15 | 2 | 1 | 0 | 3 | 3 | 0 | 7 | 14 | 0 | 0 | 0 | 0 | 0 | 19 | 88 | 3 | 12 | .185 | .250 | .235 | .485 | .000 | .050 | .000 | 7.95 | 15.91 | 2.00 | 0.00 | |
| 1887 | Indianapolis Hoosiers | NL | MLB | IN3 | - | 27 | P-OF | 3 | 10 | 2 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 12 | 0 | 2 | .200 | .333 | .200 | .533 | .000 | .000 | .000 | 16.67 | 8.33 | 0.50 | 0.00 | |
| Tot: | MLB (8 yrs) | MLB | 326 | 1289 | 192 | 287 | 47 | 15 | 2 | 111 | 5 | 0 | 52 | 187 | 0 | 0 | 0 | 0 | 0 | 370 | 1341 | 64 | 223 | .223 | .253 | .287 | .540 | .109 | .064 | .259 | 3.88 | 13.94 | 3.60 | 644.50 | ||||||
| Tot: | NL (8 yrs) | NL | 326 | 1289 | 192 | 287 | 47 | 15 | 2 | 111 | 5 | 0 | 52 | 187 | 0 | 0 | 0 | 0 | 0 | 370 | 1341 | 64 | 223 | .223 | .253 | .287 | .540 | .109 | .064 | .259 | 3.88 | 13.94 | 3.60 | 644.50 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 62 | 27 | 59 | 44 | 59 | 68 | .581 |