| 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 | Cincinnati Red Stockings | MLB | MLB | CIN | - | 21 | 27 | 14 | 2.65 | 42 | 42 | 42 | 1 | 0 | 0 | 0 | 387.2 | 331 | 192 | 114 | 7 | 110 | 164 | 0 | 0 | 0 | 1.14 | 7.68 | 0.16 | 2.55 | 3.81 | 4.46 | 1.49 |
| 1889 | Cincinnati Red Stockings | MLB | MLB | CIN | - | 22 | 22 | 20 | 3.79 | 47 | 42 | 38 | 1 | 5 | 5 | 1 | 373.0 | 379 | 224 | 157 | 8 | 136 | 152 | 15 | 0 | 0 | 1.38 | 9.14 | 0.19 | 3.28 | 3.67 | 5.40 | 1.12 |
| 1890 | Cincinnati Reds | NL | MLB | CIN | - | 23 | 7 | 5 | 4.50 | 13 | 10 | 7 | 1 | 3 | 3 | 0 | 90.0 | 97 | 69 | 45 | 8 | 39 | 41 | 1 | 0 | 0 | 1.51 | 9.70 | 0.80 | 3.90 | 4.10 | 6.90 | 1.05 |
| 1890 | Cleveland Spiders | NL | MLB | CL4 | - | 23 | 4 | 9 | 3.36 | 13 | 13 | 13 | 1 | 0 | 0 | 0 | 107.0 | 101 | 65 | 40 | 4 | 42 | 30 | 3 | 0 | 0 | 1.34 | 8.50 | 0.34 | 3.53 | 2.52 | 5.47 | 0.71 |
| 1891 | Cleveland Spiders | NL | MLB | CL4 | - | 24 | 18 | 17 | 3.01 | 45 | 38 | 31 | 0 | 7 | 6 | 0 | 343.2 | 367 | 239 | 115 | 3 | 138 | 130 | 21 | 0 | 0 | 1.47 | 9.61 | 0.08 | 3.61 | 3.40 | 6.26 | 0.94 |
| 1892 | Cleveland Spiders | NL | MLB | CL4 | - | 25 | 0 | 1 | 36.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 5 | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 6.00 | 45.00 | 0.00 | 9.00 | 0.00 | 45.00 | 0.00 |
| 1892 | Louisville Colonels | NL | MLB | LS2 | - | 25 | 4 | 11 | 3.99 | 16 | 15 | 14 | 1 | 1 | 1 | 0 | 130.2 | 156 | 86 | 58 | 7 | 56 | 36 | 4 | 0 | 0 | 1.62 | 10.74 | 0.48 | 3.86 | 2.48 | 5.92 | 0.64 |
| 1892 | Boston Beaneaters | NL | MLB | - | 25 | 1 | 0 | 0.00 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 9.0 | 5 | 1 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 1.00 | 5.00 | 0.00 | 4.00 | 1.00 | 1.00 | 0.25 | |
| Tot: | MLB (5 yrs) | MLB | 83 | 77 | 3.33 | 178 | 162 | 146 | 5 | 15 | 16 | 1 | 1442.0 | 1441 | 881 | 533 | 37 | 526 | 554 | 44 | 0 | 0 | 1.36 | 8.99 | 0.23 | 3.28 | 3.46 | 5.50 | 1.05 | ||||
| Tot: | NL (3 yrs) | NL | 34 | 43 | 3.46 | 89 | 78 | 66 | 3 | 10 | 11 | 0 | 681.1 | 731 | 465 | 262 | 22 | 280 | 238 | 29 | 0 | 0 | 1.48 | 9.66 | 0.29 | 3.70 | 3.14 | 6.14 | 0.85 | ||||
| Tot: | MLB (2 yrs) | MLB | 49 | 34 | 3.21 | 89 | 84 | 80 | 2 | 5 | 5 | 1 | 760.2 | 710 | 416 | 271 | 15 | 246 | 316 | 15 | 0 | 0 | 1.26 | 8.40 | 0.18 | 2.91 | 3.74 | 4.92 | 1.28 | ||||
| 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 | Cincinnati Red Stockings | MLB | MLB | CIN | - | 21 | P | 43 | 149 | 16 | 13 | 1 | 2 | 0 | 8 | 5 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 160 | 3 | 10 | .087 | .150 | .121 | .271 | .000 | .034 | .000 | 6.88 | 0.00 | 0.00 | 0.00 | |
| 1889 | Cincinnati Red Stockings | MLB | MLB | CIN | - | 22 | P | 47 | 147 | 14 | 21 | 2 | 1 | 0 | 9 | 4 | 0 | 11 | 47 | 1 | 0 | 0 | 0 | 0 | 25 | 159 | 3 | 18 | .143 | .208 | .170 | .378 | .000 | .027 | .000 | 6.92 | 29.56 | 4.27 | 0.00 | |
| 1890 | Cincinnati Reds | NL | MLB | CIN | - | 23 | P | 13 | 36 | 2 | 5 | 0 | 0 | 0 | 1 | 2 | 0 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 5 | 39 | 0 | 5 | .139 | .205 | .139 | .344 | .000 | .000 | .000 | 7.69 | 17.95 | 2.33 | 0.00 | |
| 1890 | Cleveland Spiders | NL | MLB | CL4 | - | 23 | P | 13 | 43 | 6 | 7 | 1 | 0 | 0 | 2 | 2 | 0 | 4 | 8 | 0 | 0 | 0 | 0 | 0 | 8 | 47 | 1 | 6 | .163 | .234 | .186 | .420 | .000 | .023 | .000 | 8.51 | 17.02 | 2.00 | 0.00 | |
| 1891 | Cleveland Spiders | NL | MLB | CL4 | - | 24 | P | 45 | 144 | 15 | 23 | 3 | 2 | 0 | 6 | 2 | 0 | 12 | 28 | 0 | 0 | 0 | 0 | 0 | 30 | 156 | 5 | 18 | .160 | .224 | .208 | .432 | .000 | .048 | .000 | 7.69 | 17.95 | 2.33 | 0.00 | |
| 1892 | Louisville Colonels | NL | MLB | LS2 | - | 25 | P | 21 | 66 | 5 | 13 | 2 | 0 | 0 | 5 | 2 | 0 | 7 | 16 | 1 | 0 | 0 | 0 | 0 | 15 | 74 | 2 | 11 | .197 | .284 | .227 | .511 | .000 | .030 | .000 | 9.46 | 21.62 | 2.29 | 0.00 | |
| 1892 | Boston Beaneaters | NL | MLB | - | 25 | P | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | ||
| Tot: | MLB (5 yrs) | MLB | 184 | 588 | 58 | 82 | 9 | 5 | 0 | 31 | 17 | 0 | 48 | 108 | 2 | 0 | 0 | 0 | 0 | 101 | 638 | 14 | 68 | .139 | .207 | .172 | .379 | .143 | .032 | .171 | 7.52 | 16.93 | 2.25 | |||||||
| Tot: | NL (3 yrs) | NL | 94 | 292 | 28 | 48 | 6 | 2 | 0 | 14 | 8 | 0 | 26 | 61 | 1 | 0 | 0 | 0 | 0 | 58 | 319 | 8 | 40 | .164 | .235 | .199 | .434 | .151 | .034 | .208 | 8.15 | 19.12 | 2.35 | |||||||
| Tot: | MLB (2 yrs) | MLB | 90 | 296 | 30 | 34 | 3 | 3 | 0 | 17 | 9 | 0 | 22 | 47 | 1 | 0 | 0 | 0 | 0 | 43 | 319 | 6 | 28 | .115 | .179 | .145 | .324 | .135 | .030 | .137 | 6.90 | 14.73 | 2.14 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 53 | 53 | 54 | 50 | 54 | 87 | .532 |