| 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 | - | 23 | 1 | 4 | 3.24 | 6 | 5 | 4 | 0 | 1 | 1 | 0 | 41.2 | 37 | 32 | 15 | 2 | 27 | 12 | 6 | 0 | 0 | 1.54 | 7.99 | 0.43 | 5.83 | 2.59 | 6.91 | 0.44 | |
| 1897 | Boston Beaneaters | NL | MLB | - | 24 | 21 | 12 | 3.85 | 38 | 34 | 30 | 2 | 4 | 4 | 1 | 290.0 | 316 | 177 | 124 | 11 | 125 | 65 | 8 | 1 | 10 | 1.52 | 9.81 | 0.34 | 3.88 | 2.02 | 5.49 | 0.52 | |
| 1898 | Boston Beaneaters | NL | MLB | - | 25 | 26 | 8 | 2.90 | 41 | 33 | 29 | 1 | 8 | 8 | 2 | 313.1 | 267 | 131 | 101 | 9 | 109 | 72 | 12 | 0 | 9 | 1.20 | 7.67 | 0.26 | 3.13 | 2.07 | 3.76 | 0.66 | |
| 1899 | Boston Beaneaters | NL | MLB | - | 26 | 17 | 11 | 3.49 | 29 | 25 | 23 | 2 | 4 | 3 | 0 | 234.2 | 245 | 119 | 91 | 10 | 73 | 60 | 3 | 0 | 9 | 1.36 | 9.40 | 0.38 | 2.80 | 2.30 | 4.56 | 0.82 | |
| 1900 | Boston Beaneaters | NL | MLB | - | 27 | 13 | 12 | 4.13 | 30 | 22 | 19 | 1 | 8 | 7 | 0 | 209.0 | 215 | 122 | 96 | 11 | 86 | 66 | 8 | 0 | 4 | 1.44 | 9.26 | 0.47 | 3.70 | 2.84 | 5.25 | 0.77 | |
| 1901 | Boston Americans | AL | MLB | BOS | - | 28 | 16 | 17 | 3.53 | 39 | 34 | 31 | 1 | 5 | 5 | 1 | 316.1 | 299 | 172 | 124 | 14 | 91 | 103 | 2 | 0 | 8 | 1.23 | 8.51 | 0.40 | 2.59 | 2.93 | 4.89 | 1.13 |
| Tot: | MLB (6 yrs) | MLB | 94 | 64 | 3.53 | 183 | 153 | 136 | 7 | 28 | 30 | 4 | 1405.0 | 1379 | 753 | 551 | 57 | 511 | 378 | 39 | 1 | 40 | 1.35 | 8.83 | 0.37 | 3.27 | 2.42 | 4.82 | 0.74 | ||||
| Tot: | AL (1 yrs) | AL | 16 | 17 | 3.53 | 39 | 34 | 31 | 1 | 5 | 5 | 1 | 316.1 | 299 | 172 | 124 | 14 | 91 | 103 | 2 | 0 | 8 | 1.23 | 8.51 | 0.40 | 2.59 | 2.93 | 4.89 | 1.13 | ||||
| Tot: | NL (5 yrs) | NL | 78 | 47 | 3.53 | 144 | 119 | 105 | 6 | 23 | 25 | 3 | 1088.2 | 1080 | 581 | 427 | 43 | 420 | 275 | 37 | 1 | 32 | 1.38 | 8.93 | 0.36 | 3.47 | 2.27 | 4.80 | 0.65 | ||||
| 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 | - | 23 | P | 6 | 18 | 1 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 18 | 1 | 1 | .111 | .111 | .167 | .278 | .000 | .056 | .000 | 0.00 | 5.56 | 0.00 | 0.00 | ||
| 1897 | Boston Beaneaters | NL | MLB | - | 24 | P | 38 | 113 | 15 | 28 | 0 | 1 | 0 | 8 | 3 | 0 | 6 | 0 | 0 | 7 | 0 | 0 | 0 | 30 | 126 | 1 | 27 | .248 | .286 | .265 | .551 | .000 | .017 | .000 | 4.76 | 0.00 | 0.00 | 0.00 | ||
| 1898 | Boston Beaneaters | NL | MLB | - | 25 | P | 42 | 131 | 17 | 37 | 6 | 0 | 0 | 18 | 0 | 0 | 6 | 0 | 0 | 5 | 0 | 0 | 0 | 43 | 142 | 6 | 31 | .282 | .314 | .328 | .642 | .000 | .046 | .000 | 4.23 | 0.00 | 0.00 | 0.00 | ||
| 1899 | Boston Beaneaters | NL | MLB | - | 26 | P | 29 | 96 | 9 | 25 | 1 | 1 | 0 | 9 | 1 | 0 | 4 | 0 | 0 | 2 | 0 | 0 | 0 | 28 | 102 | 2 | 23 | .260 | .290 | .292 | .582 | .000 | .032 | .000 | 3.92 | 0.00 | 0.00 | 0.00 | ||
| 1900 | Boston Beaneaters | NL | MLB | - | 27 | P | 30 | 73 | 10 | 10 | 0 | 0 | 0 | 5 | 0 | 0 | 11 | 0 | 0 | 2 | 0 | 0 | 0 | 10 | 86 | 0 | 10 | .137 | .250 | .137 | .387 | .000 | .000 | .000 | 12.79 | 0.00 | 0.00 | 0.00 | ||
| 1901 | Boston Americans | AL | MLB | BOS | - | 28 | P | 39 | 121 | 14 | 21 | 2 | 1 | 0 | 10 | 0 | 0 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 25 | 133 | 3 | 18 | .174 | .242 | .207 | .449 | .000 | .033 | .000 | 8.27 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (6 yrs) | MLB | 184 | 552 | 66 | 123 | 10 | 3 | 0 | 52 | 4 | 0 | 38 | 1 | 0 | 17 | 0 | 0 | 0 | 139 | 607 | 13 | 110 | .223 | .273 | .252 | .525 | .105 | .029 | .223 | 6.26 | 0.16 | 0.03 | |||||||
| Tot: | AL (1 yrs) | AL | 39 | 121 | 14 | 21 | 2 | 1 | 0 | 10 | 0 | 0 | 11 | 0 | 0 | 1 | 0 | 0 | 0 | 25 | 133 | 3 | 18 | .174 | .242 | .207 | .449 | .124 | .033 | .174 | 8.27 | 0.00 | 0.00 | |||||||
| Tot: | NL (5 yrs) | NL | 145 | 431 | 52 | 102 | 8 | 2 | 0 | 42 | 4 | 0 | 27 | 1 | 0 | 16 | 0 | 0 | 0 | 114 | 474 | 10 | 92 | .237 | .282 | .265 | .546 | .100 | .028 | .237 | 5.70 | 0.21 | 0.04 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 60 | 33 | 84 | 42 | 84 | 83 | .607 |