| 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 |
| 1884 | Toledo AA Team | MLB | MLB | TL1 | - | 24 | 9 | 28 | 3.75 | 41 | 40 | 35 | 2 | 1 | 1 | 1 | 326.2 | 335 | 241 | 136 | 6 | 66 | 163 | 0 | 0 | 18 | 1.23 | 9.23 | 0.17 | 1.82 | 4.49 | 6.64 | 2.47 |
| 1885 | Pittsburgh Alleghenys | MLB | MLB | PIT | - | 25 | 5 | 7 | 3.67 | 12 | 12 | 10 | 0 | 0 | 0 | 0 | 103.0 | 110 | 77 | 42 | 4 | 16 | 36 | 7 | 0 | 7 | 1.22 | 9.61 | 0.35 | 1.40 | 3.15 | 6.73 | 2.25 |
| 1886 | Washington Nationals | NL | MLB | WS8 | - | 26 | 2 | 2 | 1.65 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 49.0 | 41 | 17 | 9 | 1 | 17 | 47 | 3 | 0 | 0 | 1.18 | 7.53 | 0.18 | 3.12 | 8.63 | 3.12 | 2.76 |
| 1887 | Washington Nationals | NL | MLB | WS8 | - | 27 | 8 | 20 | 4.17 | 30 | 30 | 29 | 0 | 0 | 0 | 0 | 254.2 | 255 | 197 | 118 | 15 | 109 | 86 | 31 | 0 | 9 | 1.43 | 9.01 | 0.53 | 3.85 | 3.04 | 6.96 | 0.79 |
| 1888 | Washington Nationals | NL | MLB | WS8 | - | 28 | 16 | 29 | 3.10 | 46 | 46 | 46 | 3 | 0 | 0 | 0 | 403.0 | 359 | 208 | 139 | 19 | 117 | 186 | 17 | 0 | 16 | 1.18 | 8.02 | 0.42 | 2.61 | 4.15 | 4.65 | 1.59 |
| 1889 | Washington Nationals | NL | MLB | WS8 | - | 29 | 2 | 10 | 4.33 | 13 | 13 | 11 | 0 | 0 | 0 | 0 | 108.0 | 117 | 88 | 52 | 7 | 57 | 23 | 4 | 0 | 6 | 1.61 | 9.75 | 0.58 | 4.75 | 1.92 | 7.33 | 0.40 |
| 1889 | New York Giants | NL | MLB | NY1 | - | 29 | 9 | 1 | 4.27 | 10 | 10 | 8 | 0 | 0 | 0 | 0 | 78.0 | 83 | 51 | 37 | 2 | 35 | 28 | 0 | 0 | 7 | 1.51 | 9.58 | 0.23 | 4.04 | 3.23 | 5.88 | 0.80 |
| 1890 | New York Giants (P) | MLB | MLB | MLA | - | 30 | 22 | 13 | 4.21 | 43 | 35 | 32 | 1 | 8 | 7 | 3 | 329.0 | 356 | 249 | 154 | 11 | 163 | 94 | 18 | 0 | 14 | 1.58 | 9.74 | 0.30 | 4.46 | 2.57 | 6.81 | 0.58 |
| Tot: | MLB (7 yrs) | MLB | 73 | 110 | 3.74 | 201 | 192 | 177 | 6 | 8 | 9 | 4 | 1651.1 | 1656 | 1128 | 687 | 65 | 580 | 663 | 80 | 0 | 77 | 1.35 | 9.03 | 0.35 | 3.16 | 3.61 | 6.15 | 1.14 | ||||
| Tot: | NL (4 yrs) | NL | 37 | 62 | 3.58 | 105 | 105 | 100 | 3 | 0 | 0 | 0 | 892.2 | 855 | 561 | 355 | 44 | 335 | 370 | 55 | 0 | 38 | 1.33 | 8.62 | 0.44 | 3.38 | 3.73 | 5.66 | 1.10 | ||||
| Tot: | MLB (3 yrs) | MLB | 36 | 48 | 3.94 | 96 | 87 | 77 | 3 | 8 | 9 | 4 | 758.2 | 801 | 567 | 332 | 21 | 245 | 293 | 25 | 0 | 39 | 1.38 | 9.50 | 0.25 | 2.91 | 3.48 | 6.73 | 1.20 | ||||
| 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 |
| 1884 | Toledo AA Team | MLB | MLB | TL1 | - | 24 | P-OF | 64 | 242 | 23 | 51 | 9 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 62 | 253 | 10 | 41 | .211 | .245 | .256 | .501 | .000 | .045 | .000 | 3.95 | 0.00 | 0.00 | 0.00 | |
| 1885 | Pittsburgh Alleghenys | MLB | MLB | PIT | - | 25 | P | 13 | 49 | 7 | 12 | 2 | 1 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 50 | 3 | 9 | .245 | .260 | .327 | .587 | .000 | .082 | .000 | 2.00 | 0.00 | 0.00 | 0.00 | |
| 1886 | Washington Nationals | NL | MLB | WS8 | - | 26 | P | 6 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 1 | 19 | 0 | 1 | .053 | .053 | .053 | .106 | .000 | .000 | .000 | 0.00 | 47.37 | 0.00 | 0.00 | |
| 1887 | Washington Nationals | NL | MLB | WS8 | - | 27 | P | 36 | 116 | 10 | 23 | 3 | 0 | 0 | 7 | 1 | 0 | 7 | 15 | 0 | 0 | 0 | 0 | 0 | 26 | 123 | 3 | 20 | .198 | .244 | .224 | .468 | .000 | .026 | .000 | 5.69 | 12.20 | 2.14 | 0.00 | |
| 1888 | Washington Nationals | NL | MLB | WS8 | - | 28 | P | 47 | 166 | 6 | 23 | 2 | 0 | 0 | 6 | 3 | 0 | 4 | 41 | 0 | 0 | 0 | 0 | 0 | 25 | 170 | 2 | 21 | .139 | .159 | .151 | .310 | .000 | .012 | .000 | 2.35 | 24.12 | 10.25 | 0.00 | |
| 1889 | Washington Nationals | NL | MLB | WS8 | - | 29 | P | 13 | 44 | 1 | 8 | 1 | 0 | 0 | 5 | 0 | 0 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 9 | 47 | 1 | 7 | .182 | .234 | .205 | .439 | .000 | .023 | .000 | 6.38 | 14.89 | 2.33 | 0.00 | |
| 1889 | New York Giants | NL | MLB | NY1 | - | 29 | P | 10 | 31 | 5 | 3 | 0 | 0 | 0 | 2 | 2 | 0 | 4 | 10 | 1 | 0 | 0 | 0 | 0 | 3 | 36 | 0 | 3 | .097 | .222 | .097 | .319 | .000 | .000 | .000 | 11.11 | 27.78 | 2.50 | 0.00 | |
| 1890 | New York Giants (P) | MLB | MLB | MLA | - | 30 | P | 43 | 150 | 24 | 34 | 2 | 1 | 1 | 23 | 1 | 0 | 10 | 27 | 0 | 0 | 0 | 0 | 0 | 41 | 160 | 4 | 30 | .227 | .275 | .273 | .548 | .000 | .046 | .000 | 6.25 | 16.88 | 2.70 | 150.00 | |
| Tot: | MLB (7 yrs) | MLB | 232 | 817 | 76 | 155 | 19 | 3 | 1 | 46 | 7 | 0 | 39 | 109 | 2 | 0 | 0 | 0 | 0 | 183 | 858 | 23 | 132 | .190 | .228 | .224 | .452 | .091 | .034 | .218 | 4.55 | 12.70 | 2.79 | 817.00 | ||||||
| Tot: | NL (4 yrs) | NL | 112 | 376 | 22 | 58 | 6 | 0 | 0 | 20 | 6 | 0 | 18 | 82 | 1 | 0 | 0 | 0 | 0 | 64 | 395 | 6 | 52 | .154 | .195 | .170 | .365 | .080 | .016 | .197 | 4.56 | 20.76 | 4.56 | |||||||
| Tot: | MLB (3 yrs) | MLB | 120 | 441 | 54 | 97 | 13 | 3 | 1 | 26 | 1 | 0 | 21 | 27 | 1 | 0 | 0 | 0 | 0 | 119 | 463 | 17 | 80 | .220 | .257 | .270 | .527 | .100 | .050 | .232 | 4.54 | 5.83 | 1.29 | 441.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 57 | 46 | 61 | 54 | 61 | 80 | .434 |