| 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 | - | 20 | 3 | 3 | 3.14 | 6 | 6 | 5 | 0 | 0 | 0 | 0 | 48.2 | 44 | 24 | 17 | 0 | 10 | 16 | 0 | 0 | 5 | 1.11 | 8.14 | 0.00 | 1.85 | 2.96 | 4.44 | 1.60 |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 21 | 16 | 13 | 3.62 | 31 | 28 | 25 | 2 | 3 | 3 | 0 | 246.1 | 258 | 148 | 99 | 16 | 76 | 91 | 7 | 0 | 14 | 1.36 | 9.43 | 0.58 | 2.78 | 3.32 | 5.41 | 1.20 |
| 1890 | Boston Reds | MLB | MLB | BS2 | - | 22 | 23 | 12 | 3.96 | 39 | 33 | 27 | 1 | 6 | 6 | 0 | 277.1 | 338 | 189 | 122 | 18 | 86 | 81 | 0 | 0 | 8 | 1.53 | 10.97 | 0.58 | 2.79 | 2.63 | 6.13 | 0.94 |
| 1891 | Chicago Colts | NL | MLB | CHN | - | 23 | 17 | 11 | 3.58 | 32 | 31 | 24 | 1 | 1 | 1 | 0 | 256.1 | 282 | 149 | 102 | 5 | 90 | 73 | 6 | 0 | 0 | 1.45 | 9.90 | 0.18 | 3.16 | 2.56 | 5.23 | 0.81 |
| 1892 | Chicago Colts | NL | MLB | CHN | - | 24 | 22 | 19 | 3.41 | 46 | 45 | 39 | 0 | 1 | 1 | 0 | 382.2 | 399 | 220 | 145 | 11 | 107 | 118 | 11 | 0 | 0 | 1.32 | 9.38 | 0.26 | 2.52 | 2.78 | 5.17 | 1.10 |
| 1893 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 25 | 11 | 7 | 5.15 | 22 | 20 | 16 | 2 | 2 | 2 | 0 | 162.2 | 207 | 119 | 93 | 5 | 78 | 40 | 3 | 0 | 0 | 1.75 | 11.45 | 0.28 | 4.32 | 2.21 | 6.58 | 0.51 |
| 1894 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 26 | 15 | 14 | 6.02 | 37 | 31 | 26 | 0 | 6 | 5 | 0 | 269.0 | 372 | 241 | 180 | 13 | 84 | 65 | 2 | 0 | 0 | 1.70 | 12.45 | 0.43 | 2.81 | 2.17 | 8.06 | 0.77 |
| 1895 | Brooklyn Bridegrooms | NL | MLB | BRO | - | 27 | 11 | 16 | 5.08 | 33 | 26 | 20 | 0 | 7 | 7 | 1 | 234.0 | 288 | 183 | 132 | 11 | 69 | 45 | 4 | 0 | 0 | 1.53 | 11.08 | 0.42 | 2.65 | 1.73 | 7.04 | 0.65 |
| 1896 | Brooklyn Bridegrooms | NL | MLB | BRO | - | 28 | 0 | 4 | 3.77 | 5 | 4 | 2 | 0 | 1 | 1 | 0 | 31.0 | 34 | 18 | 13 | 2 | 11 | 3 | 0 | 0 | 0 | 1.45 | 9.87 | 0.58 | 3.19 | 0.87 | 5.23 | 0.27 |
| 1896 | Philadelphia Phillies | NL | MLB | PHI | - | 28 | 5 | 3 | 4.54 | 11 | 10 | 7 | 1 | 1 | 1 | 0 | 77.1 | 99 | 55 | 39 | 0 | 23 | 14 | 1 | 0 | 0 | 1.58 | 11.52 | 0.00 | 2.68 | 1.63 | 6.40 | 0.61 |
| Tot: | MLB (9 yrs) | MLB | 123 | 102 | 4.27 | 262 | 234 | 191 | 7 | 27 | 28 | 1 | 1985.1 | 2321 | 1346 | 942 | 81 | 634 | 546 | 34 | 0 | 27 | 1.49 | 10.52 | 0.37 | 2.87 | 2.48 | 6.10 | 0.86 | ||||
| Tot: | NL (8 yrs) | NL | 100 | 90 | 4.32 | 223 | 201 | 164 | 6 | 21 | 22 | 1 | 1708.0 | 1983 | 1157 | 820 | 63 | 548 | 465 | 34 | 0 | 19 | 1.48 | 10.45 | 0.33 | 2.89 | 2.45 | 6.10 | 0.85 | ||||
| Tot: | MLB (1 yrs) | MLB | 23 | 12 | 3.96 | 39 | 33 | 27 | 1 | 6 | 6 | 0 | 277.1 | 338 | 189 | 122 | 18 | 86 | 81 | 0 | 0 | 8 | 1.53 | 10.97 | 0.58 | 2.79 | 2.63 | 6.13 | 0.94 | ||||
| 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 | - | 20 | P | 7 | 24 | 3 | 8 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 10 | 25 | 1 | 7 | .333 | .360 | .417 | .777 | .000 | .084 | .000 | 0.00 | 8.00 | 0.00 | 0.00 | |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 21 | P | 41 | 153 | 30 | 44 | 3 | 2 | 7 | 29 | 2 | 0 | 11 | 36 | 1 | 0 | 0 | 0 | 0 | 72 | 165 | 12 | 32 | .288 | .339 | .471 | .810 | .000 | .183 | .000 | 6.67 | 21.82 | 3.27 | 21.86 | |
| 1890 | Boston Reds | MLB | MLB | BS2 | - | 22 | P | 44 | 145 | 23 | 35 | 7 | 1 | 3 | 20 | 5 | 0 | 18 | 26 | 2 | 0 | 0 | 0 | 0 | 53 | 165 | 11 | 24 | .241 | .333 | .366 | .699 | .000 | .125 | .000 | 10.91 | 15.76 | 1.44 | 48.33 | |
| 1891 | Chicago Colts | NL | MLB | CHN | - | 23 | P | 34 | 105 | 18 | 32 | 7 | 4 | 0 | 16 | 4 | 0 | 13 | 14 | 3 | 0 | 0 | 0 | 0 | 47 | 121 | 11 | 21 | .305 | .397 | .448 | .845 | .000 | .143 | .000 | 10.74 | 11.57 | 1.08 | 0.00 | |
| 1892 | Chicago Colts | NL | MLB | CHN | - | 24 | P | 52 | 178 | 18 | 42 | 1 | 2 | 1 | 8 | 5 | 0 | 14 | 24 | 1 | 0 | 0 | 0 | 0 | 50 | 193 | 4 | 38 | .236 | .295 | .281 | .576 | .000 | .045 | .000 | 7.25 | 12.44 | 1.71 | 178.00 | |
| 1893 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 25 | P | 29 | 95 | 17 | 21 | 3 | 3 | 0 | 10 | 0 | 0 | 10 | 16 | 0 | 0 | 0 | 0 | 0 | 30 | 105 | 6 | 15 | .221 | .295 | .316 | .611 | .000 | .095 | .000 | 9.52 | 15.24 | 1.60 | 0.00 | |
| 1894 | Pittsburgh Alleghenys | NL | MLB | PIT | - | 26 | P | 38 | 113 | 18 | 33 | 4 | 5 | 1 | 19 | 1 | 0 | 6 | 20 | 2 | 0 | 0 | 0 | 0 | 50 | 121 | 10 | 23 | .292 | .339 | .442 | .781 | .000 | .150 | .000 | 4.96 | 16.53 | 3.33 | 113.00 | |
| 1895 | Brooklyn Bridegrooms | NL | MLB | BRO | - | 27 | P | 34 | 97 | 21 | 35 | 6 | 0 | 2 | 13 | 0 | 0 | 7 | 10 | 1 | 0 | 0 | 0 | 0 | 47 | 105 | 8 | 27 | .361 | .410 | .485 | .895 | .000 | .124 | .000 | 6.67 | 9.52 | 1.43 | 48.50 | |
| 1896 | Brooklyn Bridegrooms | NL | MLB | BRO | - | 28 | P | 5 | 11 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 12 | 1 | 1 | .182 | .250 | .273 | .523 | .000 | .091 | .000 | 8.33 | 16.67 | 2.00 | 0.00 | |
| 1896 | Philadelphia Phillies | NL | MLB | PHI | - | 28 | P | 11 | 34 | 7 | 9 | 1 | 1 | 1 | 7 | 1 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 15 | 35 | 3 | 6 | .265 | .265 | .441 | .706 | .000 | .176 | .000 | 0.00 | 8.57 | 0.00 | 34.00 | |
| Tot: | MLB (9 yrs) | MLB | 295 | 955 | 155 | 261 | 33 | 19 | 15 | 124 | 18 | 0 | 80 | 153 | 11 | 1 | 0 | 0 | 0 | 377 | 1047 | 67 | 194 | .273 | .337 | .395 | .731 | .224 | .121 | .313 | 7.64 | 14.61 | 1.91 | 63.67 | ||||||
| Tot: | NL (8 yrs) | NL | 251 | 810 | 132 | 226 | 26 | 18 | 12 | 104 | 13 | 0 | 62 | 127 | 9 | 1 | 0 | 0 | 0 | 324 | 882 | 56 | 170 | .279 | .337 | .400 | .737 | .214 | .121 | .319 | 7.03 | 14.40 | 2.05 | 67.50 | ||||||
| Tot: | MLB (1 yrs) | MLB | 44 | 145 | 23 | 35 | 7 | 1 | 3 | 20 | 5 | 0 | 18 | 26 | 2 | 0 | 0 | 0 | 0 | 53 | 165 | 11 | 24 | .241 | .333 | .366 | .699 | .283 | .124 | .276 | 10.91 | 15.76 | 1.44 | 48.33 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 41 | 75 | 45 | 61 | 45 | 83 | .538 |