| 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 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 21 | 12 | 12 | 2.69 | 25 | 24 | 24 | 2 | 1 | 1 | 0 | 207.1 | 185 | 104 | 62 | 6 | 53 | 89 | 13 | 0 | 7 | 1.15 | 8.03 | 0.26 | 2.30 | 3.86 | 4.51 | 1.68 |
| 1889 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 22 | 21 | 26 | 3.51 | 49 | 47 | 46 | 1 | 2 | 2 | 1 | 420.0 | 433 | 254 | 164 | 11 | 116 | 159 | 30 | 0 | 8 | 1.31 | 9.28 | 0.24 | 2.49 | 3.41 | 5.44 | 1.37 |
| 1890 | Pittsburgh Burghers | MLB | MLB | PTP | - | 23 | 21 | 25 | 3.23 | 46 | 46 | 44 | 3 | 0 | 0 | 0 | 387.2 | 392 | 246 | 139 | 5 | 74 | 145 | 18 | 0 | 10 | 1.20 | 9.10 | 0.12 | 1.72 | 3.37 | 5.71 | 1.96 |
| 1891 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 24 | 4 | 5 | 2.89 | 9 | 7 | 6 | 0 | 2 | 1 | 0 | 71.2 | 77 | 49 | 23 | 4 | 11 | 25 | 2 | 0 | 0 | 1.23 | 9.67 | 0.50 | 1.38 | 3.14 | 6.15 | 2.27 |
| 1891 | Boston Beaneaters | NL | MLB | - | 24 | 20 | 8 | 2.50 | 31 | 30 | 26 | 1 | 1 | 1 | 0 | 252.1 | 236 | 111 | 70 | 11 | 69 | 114 | 10 | 0 | 0 | 1.21 | 8.42 | 0.39 | 2.46 | 4.07 | 3.96 | 1.65 | |
| 1892 | Boston Beaneaters | NL | MLB | - | 25 | 22 | 10 | 3.03 | 37 | 35 | 31 | 3 | 2 | 2 | 0 | 299.2 | 273 | 144 | 101 | 10 | 97 | 93 | 7 | 0 | 0 | 1.23 | 8.20 | 0.30 | 2.91 | 2.79 | 4.32 | 0.96 | |
| 1893 | Boston Beaneaters | NL | MLB | - | 26 | 18 | 10 | 5.13 | 36 | 31 | 23 | 0 | 5 | 4 | 0 | 263.0 | 344 | 224 | 150 | 22 | 81 | 61 | 10 | 0 | 0 | 1.62 | 11.77 | 0.75 | 2.77 | 2.09 | 7.67 | 0.75 | |
| 1894 | Boston Beaneaters | NL | MLB | - | 27 | 12 | 10 | 6.81 | 27 | 21 | 18 | 0 | 6 | 6 | 0 | 208.2 | 305 | 204 | 158 | 15 | 61 | 32 | 4 | 0 | 0 | 1.75 | 13.15 | 0.65 | 2.63 | 1.38 | 8.80 | 0.52 | |
| 1895 | St. Louis Browns | NL | MLB | SL4 | - | 28 | 6 | 13 | 5.22 | 23 | 16 | 13 | 0 | 7 | 7 | 0 | 158.2 | 223 | 136 | 92 | 8 | 39 | 28 | 0 | 0 | 0 | 1.65 | 12.65 | 0.45 | 2.21 | 1.59 | 7.71 | 0.72 |
| Tot: | MLB (8 yrs) | MLB | 136 | 119 | 3.80 | 283 | 257 | 231 | 10 | 24 | 26 | 1 | 2269.0 | 2468 | 1472 | 959 | 92 | 601 | 746 | 94 | 0 | 25 | 1.35 | 9.79 | 0.36 | 2.38 | 2.96 | 5.84 | 1.24 | ||||
| Tot: | NL (7 yrs) | NL | 115 | 94 | 3.92 | 237 | 211 | 187 | 7 | 24 | 26 | 1 | 1881.1 | 2076 | 1226 | 820 | 87 | 527 | 601 | 76 | 0 | 15 | 1.38 | 9.93 | 0.42 | 2.52 | 2.88 | 5.86 | 1.14 | ||||
| Tot: | MLB (1 yrs) | MLB | 21 | 25 | 3.23 | 46 | 46 | 44 | 3 | 0 | 0 | 0 | 387.2 | 392 | 246 | 139 | 5 | 74 | 145 | 18 | 0 | 10 | 1.20 | 9.10 | 0.12 | 1.72 | 3.37 | 5.71 | 1.96 | ||||
| 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 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 21 | P | 25 | 85 | 6 | 11 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 18 | 1 | 0 | 0 | 0 | 0 | 12 | 87 | 1 | 10 | .129 | .149 | .141 | .290 | .000 | .012 | .000 | 1.15 | 20.69 | 18.00 | 0.00 | |
| 1889 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 22 | P | 51 | 186 | 11 | 30 | 3 | 1 | 0 | 8 | 1 | 0 | 4 | 40 | 0 | 0 | 0 | 0 | 0 | 35 | 190 | 4 | 26 | .161 | .179 | .188 | .367 | .000 | .027 | .000 | 2.11 | 21.05 | 10.00 | 0.00 | |
| 1890 | Pittsburgh Burghers | MLB | MLB | PTP | - | 23 | P | 47 | 164 | 25 | 34 | 3 | 2 | 1 | 25 | 0 | 0 | 13 | 16 | 1 | 0 | 0 | 0 | 0 | 44 | 178 | 6 | 28 | .207 | .270 | .268 | .538 | .000 | .061 | .000 | 7.30 | 8.99 | 1.23 | 164.00 | |
| 1891 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 24 | P | 9 | 31 | 4 | 7 | 0 | 1 | 0 | 3 | 0 | 0 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 9 | 34 | 1 | 6 | .226 | .294 | .290 | .584 | .000 | .064 | .000 | 8.82 | 11.76 | 1.33 | 0.00 | |
| 1891 | Boston Beaneaters | NL | MLB | - | 24 | P | 31 | 102 | 7 | 17 | 4 | 0 | 1 | 16 | 0 | 0 | 8 | 17 | 1 | 0 | 0 | 0 | 0 | 24 | 111 | 5 | 12 | .167 | .234 | .235 | .469 | .000 | .068 | .000 | 7.21 | 15.32 | 2.13 | 102.00 | ||
| 1892 | Boston Beaneaters | NL | MLB | - | 25 | P | 38 | 122 | 9 | 16 | 2 | 0 | 1 | 9 | 2 | 0 | 9 | 38 | 0 | 0 | 0 | 0 | 0 | 21 | 131 | 3 | 13 | .131 | .191 | .172 | .363 | .000 | .041 | .000 | 6.87 | 29.01 | 4.22 | 122.00 | ||
| 1893 | Boston Beaneaters | NL | MLB | - | 26 | P | 36 | 113 | 13 | 30 | 5 | 0 | 2 | 21 | 1 | 0 | 10 | 17 | 0 | 0 | 0 | 0 | 0 | 41 | 123 | 7 | 23 | .265 | .325 | .363 | .688 | .000 | .098 | .000 | 8.13 | 13.82 | 1.70 | 56.50 | ||
| 1894 | Boston Beaneaters | NL | MLB | - | 27 | P | 28 | 85 | 12 | 20 | 2 | 1 | 2 | 25 | 0 | 0 | 13 | 9 | 1 | 0 | 0 | 0 | 0 | 30 | 99 | 5 | 15 | .235 | .343 | .353 | .696 | .000 | .118 | .000 | 13.13 | 9.09 | 0.69 | 42.50 | ||
| 1895 | St. Louis Browns | NL | MLB | SL4 | - | 28 | P | 23 | 67 | 4 | 9 | 0 | 2 | 0 | 1 | 1 | 0 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | 13 | 73 | 2 | 7 | .134 | .183 | .194 | .377 | .000 | .060 | .000 | 5.48 | 1.37 | 0.25 | 0.00 | |
| Tot: | MLB (8 yrs) | MLB | 288 | 955 | 91 | 174 | 20 | 7 | 7 | 109 | 7 | 0 | 65 | 160 | 4 | 2 | 0 | 0 | 0 | 229 | 1026 | 34 | 140 | .182 | .237 | .240 | .477 | .133 | .058 | .212 | 6.34 | 15.59 | 2.46 | 136.43 | ||||||
| Tot: | NL (7 yrs) | NL | 241 | 791 | 66 | 140 | 17 | 5 | 6 | 84 | 7 | 0 | 52 | 144 | 3 | 2 | 0 | 0 | 0 | 185 | 848 | 28 | 112 | .177 | .230 | .234 | .464 | .131 | .057 | .209 | 6.13 | 16.98 | 2.77 | 131.83 | ||||||
| Tot: | MLB (1 yrs) | MLB | 47 | 164 | 25 | 34 | 3 | 2 | 1 | 25 | 0 | 0 | 13 | 16 | 1 | 0 | 0 | 0 | 0 | 44 | 178 | 6 | 28 | .207 | .270 | .268 | .538 | .140 | .061 | .224 | 7.30 | 8.99 | 1.23 | 164.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 49 | 86 | 52 | 77 | 52 | 94 | .529 |