| 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 |
| 1887 | Chicago White Stockings | NL | MLB | CHN | - | 23 | 18 | 17 | 3.40 | 40 | 39 | 35 | 1 | 1 | 2 | 1 | 334.0 | 329 | 218 | 126 | 23 | 122 | 164 | 41 | 0 | 17 | 1.35 | 8.87 | 0.62 | 3.29 | 4.42 | 5.87 | 1.34 |
| 1888 | Chicago White Stockings | NL | MLB | CHN | - | 24 | 13 | 15 | 2.76 | 30 | 30 | 27 | 2 | 0 | 0 | 0 | 251.0 | 241 | 137 | 77 | 13 | 99 | 157 | 18 | 0 | 13 | 1.35 | 8.64 | 0.47 | 3.55 | 5.63 | 4.91 | 1.59 |
| 1889 | Columbus Solons | MLB | MLB | CL6 | - | 25 | 27 | 34 | 3.61 | 63 | 59 | 54 | 6 | 4 | 4 | 1 | 513.2 | 458 | 358 | 206 | 9 | 274 | 368 | 39 | 0 | 0 | 1.43 | 8.02 | 0.16 | 4.80 | 6.45 | 6.27 | 1.34 |
| 1890 | Chicago Pirates | MLB | MLB | CHP | - | 26 | 34 | 24 | 3.31 | 59 | 57 | 54 | 1 | 2 | 2 | 0 | 501.0 | 498 | 322 | 184 | 10 | 249 | 211 | 31 | 0 | 12 | 1.49 | 8.95 | 0.18 | 4.47 | 3.79 | 5.78 | 0.85 |
| 1891 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 27 | 22 | 28 | 2.76 | 53 | 50 | 48 | 2 | 3 | 3 | 0 | 437.2 | 385 | 278 | 134 | 10 | 227 | 197 | 24 | 0 | 0 | 1.40 | 7.92 | 0.21 | 4.67 | 4.05 | 5.72 | 0.87 |
| 1892 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 28 | 26 | 27 | 3.47 | 56 | 53 | 45 | 0 | 3 | 3 | 0 | 440.1 | 447 | 272 | 170 | 11 | 194 | 157 | 17 | 0 | 0 | 1.46 | 9.14 | 0.22 | 3.97 | 3.21 | 5.56 | 0.81 |
| 1893 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 29 | 0 | 0 | 11.57 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.1 | 6 | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 3.00 | 23.14 | 0.00 | 3.86 | 0.00 | 15.43 | 0.00 |
| 1893 | New York Giants | NL | MLB | NY1 | - | 29 | 16 | 20 | 4.10 | 45 | 39 | 33 | 2 | 6 | 6 | 2 | 331.1 | 335 | 228 | 151 | 6 | 141 | 100 | 13 | 0 | 0 | 1.44 | 9.10 | 0.16 | 3.83 | 2.72 | 6.19 | 0.71 |
| Tot: | MLB (7 yrs) | MLB | 156 | 165 | 3.36 | 347 | 328 | 296 | 14 | 20 | 19 | 4 | 2811.1 | 2699 | 1817 | 1051 | 82 | 1307 | 1354 | 183 | 0 | 42 | 1.42 | 8.64 | 0.26 | 4.18 | 4.33 | 5.82 | 1.04 | ||||
| Tot: | NL (5 yrs) | NL | 95 | 107 | 3.31 | 225 | 212 | 188 | 7 | 14 | 13 | 3 | 1796.2 | 1743 | 1137 | 661 | 63 | 784 | 775 | 113 | 0 | 30 | 1.41 | 8.73 | 0.32 | 3.93 | 3.88 | 5.70 | 0.99 | ||||
| Tot: | MLB (2 yrs) | MLB | 61 | 58 | 3.46 | 122 | 116 | 108 | 7 | 6 | 6 | 1 | 1014.2 | 956 | 680 | 390 | 19 | 523 | 579 | 70 | 0 | 12 | 1.46 | 8.48 | 0.17 | 4.64 | 5.14 | 6.03 | 1.11 | ||||
| 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 |
| 1887 | Chicago White Stockings | NL | MLB | CHN | - | 23 | P | 41 | 139 | 18 | 26 | 1 | 1 | 4 | 17 | 4 | 0 | 10 | 42 | 0 | 0 | 0 | 0 | 0 | 41 | 149 | 6 | 20 | .187 | .242 | .295 | .537 | .000 | .108 | .000 | 6.71 | 28.19 | 4.20 | 34.75 | |
| 1888 | Chicago White Stockings | NL | MLB | CHN | - | 24 | P | 30 | 106 | 11 | 16 | 1 | 2 | 1 | 5 | 4 | 0 | 5 | 47 | 1 | 0 | 0 | 0 | 0 | 24 | 112 | 4 | 12 | .151 | .196 | .226 | .422 | .000 | .075 | .000 | 4.46 | 41.96 | 9.40 | 106.00 | |
| 1889 | Columbus Solons | MLB | MLB | CL6 | - | 25 | P | 64 | 208 | 19 | 39 | 6 | 5 | 2 | 25 | 2 | 0 | 16 | 63 | 0 | 0 | 0 | 0 | 0 | 61 | 224 | 13 | 26 | .188 | .246 | .293 | .539 | .000 | .105 | .000 | 7.14 | 28.13 | 3.94 | 104.00 | |
| 1890 | Chicago Pirates | MLB | MLB | CHP | - | 26 | P | 58 | 212 | 27 | 45 | 4 | 6 | 1 | 25 | 4 | 0 | 15 | 50 | 0 | 0 | 0 | 0 | 0 | 64 | 227 | 11 | 34 | .212 | .264 | .302 | .566 | .000 | .090 | .000 | 6.61 | 22.03 | 3.33 | 212.00 | |
| 1891 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 27 | P | 53 | 177 | 11 | 27 | 3 | 2 | 1 | 12 | 1 | 0 | 15 | 67 | 0 | 0 | 0 | 0 | 0 | 37 | 192 | 6 | 21 | .153 | .219 | .209 | .428 | .000 | .056 | .000 | 7.81 | 34.90 | 4.47 | 177.00 | |
| 1892 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 28 | P | 56 | 178 | 11 | 18 | 2 | 0 | 1 | 13 | 1 | 0 | 13 | 60 | 0 | 0 | 0 | 0 | 0 | 23 | 191 | 3 | 15 | .101 | .162 | .129 | .291 | .000 | .028 | .000 | 6.81 | 31.41 | 4.62 | 178.00 | |
| 1893 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 29 | P | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1893 | New York Giants | NL | MLB | NY1 | - | 29 | P | 45 | 134 | 12 | 17 | 4 | 2 | 0 | 9 | 2 | 0 | 8 | 38 | 0 | 0 | 0 | 0 | 0 | 25 | 142 | 6 | 11 | .127 | .176 | .187 | .363 | .000 | .060 | .000 | 5.63 | 26.76 | 4.75 | 0.00 | |
| Tot: | MLB (7 yrs) | MLB | 348 | 1155 | 109 | 188 | 21 | 18 | 10 | 106 | 18 | 0 | 82 | 368 | 1 | 0 | 0 | 0 | 0 | 275 | 1238 | 49 | 139 | .163 | .219 | .238 | .457 | .162 | .075 | .229 | 6.62 | 29.73 | 4.49 | 115.50 | ||||||
| Tot: | NL (5 yrs) | NL | 226 | 735 | 63 | 104 | 11 | 7 | 7 | 56 | 12 | 0 | 51 | 255 | 1 | 0 | 0 | 0 | 0 | 150 | 787 | 25 | 79 | .141 | .198 | .204 | .402 | .148 | .063 | .205 | 6.48 | 32.40 | 5.00 | 105.00 | ||||||
| Tot: | MLB (2 yrs) | MLB | 122 | 420 | 46 | 84 | 10 | 11 | 3 | 50 | 6 | 0 | 31 | 113 | 0 | 0 | 0 | 0 | 0 | 125 | 451 | 24 | 60 | .200 | .255 | .298 | .553 | .186 | .098 | .266 | 6.87 | 25.06 | 3.65 | 140.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 82 | 37 | 73 | 66 | 73 | 100 | .525 |