| 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 |
| 1889 | Boston Beaneaters | NL | MLB | - | 21 | 3 | 3 | 4.31 | 9 | 7 | 4 | 0 | 2 | 2 | 0 | 48.0 | 34 | 29 | 23 | 1 | 43 | 40 | 2 | 0 | 2 | 1.60 | 6.38 | 0.19 | 8.06 | 7.50 | 5.44 | 0.93 | |
| 1890 | Boston Reds | MLB | MLB | BS2 | - | 22 | 18 | 7 | 3.60 | 34 | 25 | 19 | 2 | 9 | 8 | 2 | 235.0 | 246 | 178 | 94 | 7 | 167 | 110 | 0 | 0 | 6 | 1.76 | 9.42 | 0.27 | 6.40 | 4.21 | 6.82 | 0.66 |
| 1891 | Boston Reds | MLB | MLB | BS2 | - | 23 | 8 | 6 | 2.98 | 19 | 11 | 10 | 0 | 8 | 8 | 2 | 126.2 | 119 | 76 | 42 | 6 | 81 | 68 | 8 | 0 | 0 | 1.58 | 8.46 | 0.43 | 5.76 | 4.83 | 5.40 | 0.84 |
| Tot: | MLB (3 yrs) | MLB | 29 | 16 | 3.49 | 62 | 43 | 33 | 2 | 18 | 19 | 4 | 409.2 | 399 | 283 | 159 | 14 | 291 | 218 | 10 | 0 | 8 | 1.68 | 8.77 | 0.31 | 6.39 | 4.79 | 6.22 | 0.75 | ||||
| Tot: | NL (1 yrs) | NL | 3 | 3 | 4.31 | 9 | 7 | 4 | 0 | 2 | 2 | 0 | 48.0 | 34 | 29 | 23 | 1 | 43 | 40 | 2 | 0 | 2 | 1.60 | 6.38 | 0.19 | 8.06 | 7.50 | 5.44 | 0.93 | ||||
| Tot: | MLB (2 yrs) | MLB | 26 | 13 | 3.38 | 53 | 36 | 29 | 2 | 16 | 17 | 4 | 361.2 | 365 | 254 | 136 | 13 | 248 | 178 | 8 | 0 | 6 | 1.69 | 9.08 | 0.32 | 6.17 | 4.43 | 6.32 | 0.72 | ||||
| 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 |
| 1889 | Boston Beaneaters | NL | MLB | - | 21 | P | 9 | 20 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | 0 | 0 | 4 | 21 | 1 | 2 | .150 | .190 | .200 | .390 | .000 | .050 | .000 | 4.76 | 38.10 | 8.00 | 0.00 | ||
| 1890 | Boston Reds | MLB | MLB | BS2 | - | 22 | P | 37 | 110 | 14 | 17 | 1 | 0 | 2 | 7 | 1 | 0 | 9 | 15 | 1 | 0 | 0 | 0 | 0 | 24 | 120 | 3 | 14 | .155 | .225 | .218 | .443 | .000 | .063 | .000 | 7.50 | 12.50 | 1.67 | 55.00 | |
| 1891 | Boston Reds | MLB | MLB | BS2 | - | 23 | P | 20 | 59 | 5 | 10 | 0 | 1 | 0 | 9 | 1 | 0 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 12 | 60 | 1 | 9 | .169 | .183 | .203 | .386 | .000 | .034 | .000 | 1.67 | 10.00 | 6.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 66 | 189 | 21 | 30 | 2 | 1 | 2 | 16 | 2 | 0 | 11 | 29 | 1 | 0 | 0 | 0 | 0 | 40 | 201 | 5 | 25 | .159 | .209 | .212 | .421 | .122 | .053 | .177 | 5.47 | 14.43 | 2.64 | 94.50 | ||||||
| Tot: | NL (1 yrs) | NL | 9 | 20 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | 0 | 0 | 4 | 21 | 1 | 2 | .150 | .190 | .200 | .390 | .100 | .050 | .250 | 4.76 | 38.10 | 8.00 | |||||||
| Tot: | MLB (2 yrs) | MLB | 57 | 169 | 19 | 27 | 1 | 1 | 2 | 16 | 2 | 0 | 10 | 21 | 1 | 0 | 0 | 0 | 0 | 36 | 180 | 4 | 23 | .160 | .211 | .213 | .424 | .124 | .053 | .171 | 5.56 | 11.67 | 2.10 | 84.50 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 91 | 7 | 78 | 45 | 78 | 62 | .656 |