| 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 |
| 1882 | St. Louis Browns | MLB | MLB | SL4 | - | 28 | 25 | 18 | 2.60 | 45 | 45 | 43 | 3 | 0 | 0 | 0 | 388.1 | 391 | 241 | 112 | 2 | 53 | 134 | 0 | 0 | 0 | 1.14 | 9.06 | 0.05 | 1.23 | 3.11 | 5.59 | 2.53 |
| 1883 | St. Louis Browns | MLB | MLB | SL4 | - | 29 | 28 | 16 | 2.33 | 45 | 45 | 41 | 6 | 0 | 0 | 0 | 382.2 | 325 | 174 | 99 | 3 | 69 | 128 | 0 | 0 | 0 | 1.03 | 7.64 | 0.07 | 1.62 | 3.01 | 4.09 | 1.86 |
| 1884 | St. Louis Browns | MLB | MLB | SL4 | - | 30 | 24 | 16 | 2.84 | 40 | 40 | 39 | 5 | 0 | 0 | 0 | 354.1 | 331 | 196 | 112 | 4 | 35 | 141 | 0 | 0 | 12 | 1.03 | 8.41 | 0.10 | 0.89 | 3.58 | 4.98 | 4.03 |
| 1885 | St. Louis Browns | MLB | MLB | SL4 | - | 31 | 6 | 6 | 3.38 | 13 | 13 | 12 | 3 | 0 | 0 | 0 | 112.0 | 98 | 65 | 42 | 1 | 19 | 41 | 11 | 0 | 6 | 1.04 | 7.88 | 0.08 | 1.53 | 3.29 | 5.22 | 2.16 |
| 1886 | St. Louis Browns | MLB | MLB | SL4 | - | 32 | 5 | 5 | 3.80 | 10 | 10 | 10 | 1 | 0 | 0 | 0 | 87.2 | 107 | 75 | 37 | 2 | 27 | 30 | 0 | 0 | 7 | 1.53 | 10.98 | 0.21 | 2.77 | 3.08 | 7.70 | 1.11 |
| 1886 | Baltimore Orioles | MLB | MLB | BLN | - | 32 | 11 | 13 | 3.48 | 26 | 25 | 24 | 0 | 1 | 1 | 0 | 209.1 | 235 | 141 | 81 | 6 | 48 | 70 | 0 | 0 | 14 | 1.35 | 10.10 | 0.26 | 2.06 | 3.01 | 6.06 | 1.46 |
| 1887 | Cincinnati Red Stockings | MLB | MLB | CIN | - | 33 | 3 | 5 | 5.45 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 69.1 | 85 | 66 | 42 | 3 | 43 | 18 | 0 | 0 | 8 | 1.85 | 11.03 | 0.39 | 5.58 | 2.34 | 8.57 | 0.42 |
| Tot: | MLB (6 yrs) | MLB | 102 | 79 | 2.95 | 187 | 186 | 177 | 18 | 1 | 1 | 0 | 1603.2 | 1572 | 958 | 525 | 21 | 294 | 562 | 11 | 0 | 47 | 1.16 | 8.82 | 0.12 | 1.65 | 3.15 | 5.38 | 1.91 | ||||
| Tot: | MLB (6 yrs) | MLB | 102 | 79 | 2.95 | 187 | 186 | 177 | 18 | 1 | 1 | 0 | 1603.2 | 1572 | 958 | 525 | 21 | 294 | 562 | 11 | 0 | 47 | 1.16 | 8.82 | 0.12 | 1.65 | 3.15 | 5.38 | 1.91 | ||||
| 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 |
| 1882 | St. Louis Browns | MLB | MLB | SL4 | - | 28 | P | 51 | 203 | 17 | 44 | 6 | 4 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 206 | 10 | 34 | .217 | .228 | .286 | .514 | .000 | .069 | .000 | 1.46 | 0.00 | 0.00 | 0.00 | |
| 1883 | St. Louis Browns | MLB | MLB | SL4 | - | 29 | P | 45 | 180 | 20 | 36 | 4 | 2 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 180 | 6 | 30 | .200 | .200 | .244 | .444 | .000 | .044 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1884 | St. Louis Browns | MLB | MLB | SL4 | - | 30 | P | 40 | 146 | 16 | 34 | 9 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 150 | 10 | 24 | .233 | .253 | .308 | .561 | .000 | .075 | .000 | 2.67 | 0.00 | 0.00 | 0.00 | |
| 1885 | St. Louis Browns | MLB | MLB | SL4 | - | 31 | P | 13 | 50 | 3 | 11 | 0 | 0 | 1 | 7 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 51 | 1 | 10 | .220 | .235 | .280 | .515 | .000 | .060 | .000 | 1.96 | 0.00 | 0.00 | 50.00 | |
| 1886 | St. Louis Browns | MLB | MLB | SL4 | - | 32 | P | 10 | 37 | 4 | 7 | 2 | 0 | 0 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 40 | 2 | 5 | .189 | .250 | .243 | .493 | .000 | .054 | .000 | 7.50 | 0.00 | 0.00 | 0.00 | |
| 1886 | Baltimore Orioles | MLB | MLB | BLN | - | 32 | P | 26 | 85 | 7 | 16 | 5 | 0 | 1 | 6 | 3 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 89 | 6 | 10 | .188 | .225 | .282 | .507 | .000 | .094 | .000 | 4.49 | 0.00 | 0.00 | 85.00 | |
| 1887 | Cincinnati Red Stockings | MLB | MLB | CIN | - | 33 | P | 8 | 31 | 8 | 6 | 2 | 1 | 0 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 33 | 3 | 3 | .194 | .242 | .323 | .565 | .000 | .129 | .000 | 3.03 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (6 yrs) | MLB | 193 | 732 | 75 | 154 | 28 | 8 | 2 | 33 | 5 | 0 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 204 | 749 | 38 | 116 | .210 | .228 | .279 | .507 | .097 | .068 | .208 | 2.14 | 0.00 | 0.00 | 366.00 | ||||||
| Tot: | MLB (6 yrs) | MLB | 193 | 732 | 75 | 154 | 28 | 8 | 2 | 33 | 5 | 0 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 204 | 749 | 38 | 116 | .210 | .228 | .279 | .507 | .097 | .068 | .208 | 2.14 | 0.00 | 0.00 | 366.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 46 | 63 | 60 | 55 | 60 | 80 | .586 |