| 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 |
| 1884 | Kansas City Cowboys | MLB | MLB | KCU | - | 24 | 1 | 1 | 2.65 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 17.0 | 14 | 11 | 5 | 0 | 1 | 5 | 0 | 0 | 0 | 0.88 | 7.41 | 0.00 | 0.53 | 2.65 | 5.82 | 5.00 |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 29 | 16 | 17 | 3.54 | 37 | 36 | 33 | 3 | 1 | 1 | 0 | 318.0 | 306 | 206 | 125 | 11 | 117 | 136 | 16 | 0 | 8 | 1.33 | 8.66 | 0.31 | 3.31 | 3.85 | 5.83 | 1.16 |
| 1890 | Chicago Colts | NL | MLB | CHN | - | 30 | 42 | 25 | 2.70 | 71 | 66 | 65 | 5 | 5 | 5 | 2 | 603.0 | 505 | 315 | 181 | 20 | 199 | 289 | 27 | 0 | 0 | 1.17 | 7.54 | 0.30 | 2.97 | 4.31 | 4.70 | 1.45 |
| 1891 | Chicago Colts | NL | MLB | CHN | - | 31 | 44 | 19 | 2.81 | 66 | 58 | 56 | 4 | 8 | 8 | 1 | 561.0 | 508 | 283 | 175 | 26 | 178 | 261 | 25 | 0 | 0 | 1.22 | 8.15 | 0.42 | 2.86 | 4.19 | 4.54 | 1.47 |
| 1892 | Chicago Colts | NL | MLB | CHN | - | 32 | 36 | 36 | 2.76 | 75 | 70 | 67 | 5 | 5 | 5 | 1 | 622.0 | 571 | 316 | 191 | 11 | 190 | 314 | 20 | 0 | 0 | 1.22 | 8.26 | 0.16 | 2.75 | 4.54 | 4.57 | 1.65 |
| 1893 | Chicago Colts | NL | MLB | CHN | - | 33 | 16 | 24 | 4.75 | 44 | 40 | 38 | 2 | 4 | 3 | 0 | 348.1 | 420 | 266 | 184 | 9 | 156 | 80 | 12 | 0 | 0 | 1.65 | 10.85 | 0.23 | 4.03 | 2.07 | 6.87 | 0.51 |
| 1894 | Chicago Colts | NL | MLB | CHN | - | 34 | 14 | 16 | 6.06 | 36 | 34 | 28 | 0 | 2 | 2 | 0 | 277.2 | 373 | 257 | 187 | 9 | 140 | 59 | 6 | 0 | 0 | 1.85 | 12.09 | 0.29 | 4.54 | 1.91 | 8.33 | 0.42 |
| 1895 | Chicago Colts | NL | MLB | CHN | - | 35 | 13 | 21 | 4.73 | 38 | 35 | 30 | 2 | 3 | 3 | 0 | 291.0 | 371 | 218 | 153 | 13 | 129 | 85 | 14 | 0 | 0 | 1.72 | 11.47 | 0.40 | 3.99 | 2.63 | 6.74 | 0.66 |
| 1897 | St. Louis Browns | NL | MLB | SL4 | - | 37 | 1 | 4 | 6.08 | 6 | 5 | 2 | 0 | 1 | 1 | 0 | 40.0 | 55 | 41 | 27 | 5 | 22 | 5 | 2 | 0 | 2 | 1.93 | 12.38 | 1.13 | 4.95 | 1.13 | 9.23 | 0.23 |
| Tot: | MLB (9 yrs) | MLB | 183 | 163 | 3.59 | 375 | 346 | 321 | 21 | 28 | 29 | 4 | 3078.0 | 3123 | 1913 | 1228 | 104 | 1132 | 1234 | 122 | 0 | 10 | 1.38 | 9.13 | 0.30 | 3.31 | 3.61 | 5.59 | 1.09 | ||||
| Tot: | NL (8 yrs) | NL | 182 | 162 | 3.60 | 373 | 344 | 319 | 21 | 28 | 29 | 4 | 3061.0 | 3109 | 1902 | 1223 | 104 | 1131 | 1229 | 122 | 0 | 10 | 1.39 | 9.14 | 0.31 | 3.33 | 3.61 | 5.59 | 1.09 | ||||
| Tot: | MLB (1 yrs) | MLB | 1 | 1 | 2.65 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 17.0 | 14 | 11 | 5 | 0 | 1 | 5 | 0 | 0 | 0 | 0.88 | 7.41 | 0.00 | 0.53 | 2.65 | 5.82 | 5.00 | ||||
| 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 |
| 1884 | Kansas City Cowboys | MLB | MLB | KCU | - | 24 | P | 2 | 8 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 2 | .250 | .250 | .250 | .500 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 29 | P | 37 | 133 | 14 | 21 | 1 | 1 | 1 | 7 | 2 | 0 | 7 | 40 | 0 | 0 | 0 | 0 | 0 | 27 | 140 | 3 | 18 | .158 | .200 | .203 | .403 | .000 | .045 | .000 | 5.00 | 28.57 | 5.71 | 133.00 | |
| 1890 | Chicago Colts | NL | MLB | CHN | - | 30 | P | 71 | 261 | 28 | 53 | 7 | 2 | 2 | 27 | 6 | 0 | 13 | 63 | 1 | 0 | 0 | 0 | 0 | 70 | 275 | 11 | 42 | .203 | .244 | .268 | .512 | .000 | .065 | .000 | 4.73 | 22.91 | 4.85 | 130.50 | |
| 1891 | Chicago Colts | NL | MLB | CHN | - | 31 | P | 67 | 243 | 27 | 45 | 4 | 2 | 2 | 25 | 5 | 0 | 17 | 62 | 0 | 0 | 0 | 0 | 0 | 59 | 260 | 8 | 37 | .185 | .238 | .243 | .481 | .000 | .058 | .000 | 6.54 | 23.85 | 3.65 | 121.50 | |
| 1892 | Chicago Colts | NL | MLB | CHN | - | 32 | P | 77 | 263 | 23 | 57 | 10 | 5 | 1 | 22 | 8 | 0 | 10 | 60 | 0 | 0 | 0 | 0 | 0 | 80 | 273 | 16 | 41 | .217 | .245 | .304 | .549 | .000 | .087 | .000 | 3.66 | 21.98 | 6.00 | 263.00 | |
| 1893 | Chicago Colts | NL | MLB | CHN | - | 33 | P | 46 | 162 | 14 | 41 | 7 | 3 | 0 | 25 | 2 | 0 | 7 | 20 | 0 | 0 | 0 | 0 | 0 | 54 | 169 | 10 | 31 | .253 | .284 | .333 | .617 | .000 | .080 | .000 | 4.14 | 11.83 | 2.86 | 0.00 | |
| 1894 | Chicago Colts | NL | MLB | CHN | - | 34 | P | 39 | 136 | 30 | 42 | 3 | 0 | 6 | 16 | 2 | 0 | 11 | 17 | 0 | 0 | 0 | 0 | 0 | 63 | 147 | 9 | 33 | .309 | .361 | .463 | .824 | .000 | .154 | .000 | 7.48 | 11.56 | 1.55 | 22.67 | |
| 1895 | Chicago Colts | NL | MLB | CHN | - | 35 | P | 38 | 126 | 12 | 25 | 3 | 3 | 0 | 11 | 1 | 0 | 5 | 23 | 0 | 0 | 0 | 0 | 0 | 34 | 131 | 6 | 19 | .198 | .229 | .270 | .499 | .000 | .072 | .000 | 3.82 | 17.56 | 4.60 | 0.00 | |
| 1897 | St. Louis Browns | NL | MLB | SL4 | - | 37 | P | 6 | 18 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 19 | 1 | 4 | .278 | .316 | .389 | .705 | .000 | .111 | .000 | 5.26 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (9 yrs) | MLB | 383 | 1350 | 150 | 291 | 35 | 17 | 12 | 133 | 26 | 0 | 71 | 285 | 1 | 0 | 0 | 0 | 0 | 396 | 1422 | 64 | 227 | .216 | .255 | .293 | .549 | .150 | .078 | .265 | 4.99 | 20.04 | 4.01 | 112.50 | ||||||
| Tot: | NL (8 yrs) | NL | 381 | 1342 | 149 | 289 | 35 | 17 | 12 | 133 | 26 | 0 | 71 | 285 | 1 | 0 | 0 | 0 | 0 | 394 | 1414 | 64 | 225 | .215 | .255 | .294 | .549 | .151 | .078 | .265 | 5.02 | 20.16 | 4.01 | 111.83 | ||||||
| Tot: | MLB (1 yrs) | MLB | 2 | 8 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 2 | .250 | .250 | .250 | .500 | .000 | .000 | .250 | 0.00 | 0.00 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 58 | 61 | 63 | 66 | 63 | 81 | .463 |