| 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 | - | 19 | 1 | 1 | 4.91 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 11.0 | 8 | 10 | 6 | 0 | 6 | 5 | 1 | 0 | 1 | 1.27 | 6.55 | 0.00 | 4.91 | 4.09 | 8.18 | 0.83 |
| 1891 | Cincinnati Kelly's Killers | MLB | MLB | CN3 | - | 22 | 12 | 12 | 2.69 | 30 | 23 | 19 | 0 | 7 | 6 | 0 | 204.0 | 196 | 127 | 61 | 3 | 107 | 76 | 10 | 0 | 0 | 1.49 | 8.65 | 0.13 | 4.72 | 3.35 | 5.60 | 0.71 |
| 1891 | Milwaukee Brewers | MLB | MLB | ML3 | - | 22 | 0 | 2 | 10.80 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 10.0 | 14 | 19 | 12 | 1 | 10 | 2 | 0 | 0 | 0 | 2.40 | 12.60 | 0.90 | 9.00 | 1.80 | 17.10 | 0.20 |
| 1896 | Boston Beaneaters | NL | MLB | - | 27 | 3 | 2 | 5.48 | 8 | 5 | 3 | 0 | 3 | 2 | 1 | 42.2 | 43 | 35 | 26 | 1 | 31 | 13 | 3 | 0 | 0 | 1.73 | 9.07 | 0.21 | 6.54 | 2.74 | 7.38 | 0.42 | |
| Tot: | MLB (3 yrs) | MLB | 16 | 17 | 3.53 | 42 | 32 | 24 | 0 | 8 | 10 | 1 | 267.2 | 261 | 191 | 105 | 5 | 154 | 96 | 14 | 0 | 1 | 1.55 | 8.78 | 0.17 | 5.18 | 3.23 | 6.42 | 0.62 | ||||
| Tot: | NL (2 yrs) | NL | 4 | 3 | 5.37 | 10 | 7 | 4 | 0 | 2 | 3 | 1 | 53.2 | 51 | 45 | 32 | 1 | 37 | 18 | 4 | 0 | 1 | 1.64 | 8.55 | 0.17 | 6.20 | 3.02 | 7.55 | 0.49 | ||||
| Tot: | MLB (1 yrs) | MLB | 12 | 14 | 3.07 | 32 | 25 | 20 | 0 | 6 | 7 | 0 | 214.0 | 210 | 146 | 73 | 4 | 117 | 78 | 10 | 0 | 0 | 1.53 | 8.83 | 0.17 | 4.92 | 3.28 | 6.14 | 0.67 | ||||
| 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 | - | 19 | P-OF | 2 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 1 | .143 | .250 | .143 | .393 | .000 | .000 | .000 | 12.50 | 37.50 | 3.00 | 0.00 | |
| 1891 | Cincinnati Kelly's Killers | MLB | MLB | CN3 | - | 22 | P | 31 | 90 | 14 | 22 | 3 | 2 | 1 | 10 | 2 | 0 | 5 | 8 | 0 | 0 | 0 | 0 | 0 | 32 | 95 | 6 | 16 | .244 | .284 | .356 | .640 | .000 | .112 | .000 | 5.26 | 8.42 | 1.60 | 90.00 | |
| 1891 | Milwaukee Brewers | MLB | MLB | ML3 | - | 22 | P | 2 | 5 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 0 | 3 | .600 | .600 | .600 | 1.200 | .000 | .000 | .000 | 0.00 | 20.00 | 0.00 | 0.00 | |
| 1896 | Boston Beaneaters | NL | MLB | - | 27 | P | 10 | 22 | 2 | 6 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 7 | 22 | 1 | 5 | .273 | .273 | .318 | .591 | .000 | .045 | .000 | 0.00 | 9.09 | 0.00 | 0.00 | ||
| Tot: | MLB (3 yrs) | MLB | 45 | 124 | 17 | 32 | 4 | 2 | 1 | 15 | 2 | 0 | 6 | 14 | 0 | 0 | 0 | 0 | 0 | 43 | 130 | 7 | 25 | .258 | .292 | .347 | .639 | .153 | .089 | .284 | 4.62 | 10.77 | 2.33 | 124.00 | ||||||
| Tot: | NL (2 yrs) | NL | 12 | 29 | 3 | 7 | 1 | 0 | 0 | 4 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 8 | 30 | 1 | 6 | .241 | .267 | .276 | .543 | .069 | .034 | .292 | 3.33 | 16.67 | 5.00 | |||||||
| Tot: | MLB (1 yrs) | MLB | 33 | 95 | 14 | 25 | 3 | 2 | 1 | 11 | 2 | 0 | 5 | 9 | 0 | 0 | 0 | 0 | 0 | 35 | 100 | 6 | 19 | .263 | .300 | .368 | .668 | .179 | .105 | .282 | 5.00 | 9.00 | 1.80 | 95.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 62 | 12 | 81 | 25 | 81 | 42 | .535 |