| 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 |
| 1896 | Boston Beaneaters | NL | MLB | - | 25 | 6 | 4 | 3.01 | 10 | 9 | 9 | 0 | 1 | 1 | 0 | 80.2 | 69 | 41 | 27 | 5 | 31 | 26 | 2 | 0 | 0 | 1.24 | 7.70 | 0.56 | 3.46 | 2.90 | 4.57 | 0.84 | |
| 1897 | Boston Beaneaters | NL | MLB | - | 26 | 26 | 7 | 4.60 | 38 | 37 | 30 | 2 | 1 | 1 | 0 | 309.1 | 344 | 198 | 158 | 13 | 125 | 92 | 7 | 1 | 23 | 1.52 | 10.01 | 0.38 | 3.64 | 2.68 | 5.76 | 0.74 | |
| 1898 | Boston Beaneaters | NL | MLB | - | 27 | 19 | 10 | 3.89 | 35 | 33 | 25 | 0 | 2 | 2 | 0 | 270.2 | 281 | 168 | 117 | 13 | 99 | 51 | 3 | 0 | 12 | 1.40 | 9.34 | 0.43 | 3.29 | 1.70 | 5.59 | 0.52 | |
| 1899 | Boston Beaneaters | NL | MLB | - | 28 | 1 | 4 | 4.86 | 5 | 5 | 4 | 0 | 0 | 0 | 0 | 33.1 | 39 | 22 | 18 | 2 | 9 | 8 | 0 | 1 | 2 | 1.44 | 10.53 | 0.54 | 2.43 | 2.16 | 5.94 | 0.89 | |
| 1902 | Boston Beaneaters | NL | MLB | - | 31 | 1 | 0 | 1.13 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 8.0 | 9 | 1 | 1 | 0 | 2 | 4 | 0 | 0 | 1 | 1.38 | 10.13 | 0.00 | 2.25 | 4.50 | 1.13 | 2.00 | |
| Tot: | MLB (5 yrs) | MLB | 53 | 25 | 4.12 | 89 | 85 | 69 | 2 | 4 | 4 | 0 | 702.0 | 742 | 430 | 321 | 33 | 266 | 181 | 12 | 2 | 38 | 1.44 | 9.51 | 0.42 | 3.41 | 2.32 | 5.51 | 0.68 | ||||
| Tot: | NL (5 yrs) | NL | 53 | 25 | 4.12 | 89 | 85 | 69 | 2 | 4 | 4 | 0 | 702.0 | 742 | 430 | 321 | 33 | 266 | 181 | 12 | 2 | 38 | 1.44 | 9.51 | 0.42 | 3.41 | 2.32 | 5.51 | 0.68 | ||||
| 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 |
| 1896 | Boston Beaneaters | NL | MLB | - | 25 | P | 11 | 41 | 4 | 13 | 1 | 0 | 2 | 8 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 20 | 41 | 3 | 10 | .317 | .317 | .488 | .805 | .000 | .171 | .000 | 0.00 | 26.83 | 0.00 | 20.50 | ||
| 1897 | Boston Beaneaters | NL | MLB | - | 26 | P | 48 | 148 | 29 | 48 | 8 | 5 | 1 | 20 | 1 | 0 | 5 | 0 | 4 | 3 | 0 | 0 | 0 | 69 | 160 | 14 | 34 | .324 | .363 | .466 | .829 | .000 | .142 | .000 | 3.13 | 0.00 | 0.00 | 148.00 | ||
| 1898 | Boston Beaneaters | NL | MLB | - | 27 | P | 43 | 127 | 12 | 27 | 2 | 1 | 3 | 15 | 0 | 0 | 1 | 0 | 3 | 6 | 0 | 0 | 0 | 40 | 137 | 6 | 21 | .213 | .237 | .315 | .552 | .000 | .102 | .000 | 0.73 | 0.00 | 0.00 | 42.33 | ||
| 1899 | Boston Beaneaters | NL | MLB | - | 28 | P | 5 | 11 | 3 | 2 | 0 | 0 | 1 | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 14 | 1 | 1 | .182 | .357 | .455 | .812 | .000 | .273 | .000 | 21.43 | 0.00 | 0.00 | 11.00 | ||
| 1902 | Boston Beaneaters | NL | MLB | - | 31 | P | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 4 | 1 | 0 | .500 | .667 | 1.000 | 1.667 | .000 | .500 | .000 | 25.00 | 0.00 | 0.00 | 0.00 | ||
| Tot: | MLB (5 yrs) | MLB | 108 | 329 | 48 | 91 | 12 | 6 | 7 | 47 | 1 | 0 | 10 | 11 | 7 | 10 | 0 | 0 | 0 | 136 | 356 | 25 | 66 | .277 | .312 | .413 | .726 | .170 | .137 | .270 | 2.81 | 3.09 | 1.10 | 47.00 | ||||||
| Tot: | NL (5 yrs) | NL | 108 | 329 | 48 | 91 | 12 | 6 | 7 | 47 | 1 | 0 | 10 | 11 | 7 | 10 | 0 | 0 | 0 | 136 | 356 | 25 | 66 | .277 | .312 | .413 | .726 | .170 | .137 | .270 | 2.81 | 3.09 | 1.10 | 47.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 62 | 44 | 70 | 55 | 70 | 50 | .623 |