| 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 |
| 1886 | Washington Nationals | NL | MLB | WS8 | - | 22 | 4 | 4 | 2.52 | 9 | 9 | 9 | 1 | 0 | 0 | 0 | 75.0 | 57 | 35 | 21 | 3 | 22 | 75 | 4 | 1 | 0 | 1.05 | 6.84 | 0.36 | 2.64 | 9.00 | 4.20 | 3.41 |
| 1887 | Washington Nationals | NL | MLB | WS8 | - | 23 | 7 | 20 | 3.87 | 28 | 27 | 27 | 1 | 1 | 1 | 0 | 234.2 | 247 | 172 | 101 | 7 | 92 | 114 | 14 | 0 | 13 | 1.44 | 9.47 | 0.27 | 3.53 | 4.37 | 6.60 | 1.24 |
| 1888 | Washington Nationals | NL | MLB | WS8 | - | 24 | 1 | 9 | 6.59 | 12 | 11 | 10 | 0 | 1 | 1 | 0 | 95.2 | 131 | 101 | 70 | 4 | 29 | 23 | 6 | 0 | 7 | 1.67 | 12.32 | 0.38 | 2.73 | 2.16 | 9.50 | 0.79 |
| Tot: | MLB (3 yrs) | MLB | 12 | 33 | 4.26 | 49 | 47 | 46 | 2 | 2 | 2 | 0 | 405.1 | 435 | 308 | 192 | 14 | 143 | 212 | 24 | 1 | 20 | 1.43 | 9.66 | 0.31 | 3.18 | 4.71 | 6.84 | 1.48 | ||||
| Tot: | NL (3 yrs) | NL | 12 | 33 | 4.26 | 49 | 47 | 46 | 2 | 2 | 2 | 0 | 405.1 | 435 | 308 | 192 | 14 | 143 | 212 | 24 | 1 | 20 | 1.43 | 9.66 | 0.31 | 3.18 | 4.71 | 6.84 | 1.48 | ||||
| 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 |
| 1886 | Washington Nationals | NL | MLB | WS8 | - | 22 | P | 9 | 29 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | .000 | .065 | .000 | .065 | .000 | .000 | .000 | 6.45 | 38.71 | 6.00 | 0.00 | |
| 1887 | Washington Nationals | NL | MLB | WS8 | - | 23 | P | 28 | 93 | 4 | 6 | 0 | 0 | 0 | 1 | 2 | 0 | 7 | 46 | 1 | 0 | 0 | 0 | 0 | 6 | 101 | 0 | 6 | .065 | .139 | .065 | .204 | .000 | .000 | .000 | 6.93 | 45.54 | 6.57 | 0.00 | |
| 1888 | Washington Nationals | NL | MLB | WS8 | - | 24 | P | 13 | 41 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 1 | 41 | 0 | 1 | .024 | .024 | .024 | .048 | .000 | .000 | .000 | 0.00 | 48.78 | 0.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 50 | 163 | 6 | 7 | 0 | 0 | 0 | 3 | 2 | 0 | 9 | 78 | 1 | 0 | 0 | 0 | 0 | 7 | 173 | 0 | 7 | .043 | .098 | .043 | .141 | .067 | .000 | .082 | 5.20 | 45.09 | 8.67 | |||||||
| Tot: | NL (3 yrs) | NL | 50 | 163 | 6 | 7 | 0 | 0 | 0 | 3 | 2 | 0 | 9 | 78 | 1 | 0 | 0 | 0 | 0 | 7 | 173 | 0 | 7 | .043 | .098 | .043 | .141 | .067 | .000 | .082 | 5.20 | 45.09 | 8.67 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 68 | 45 | 58 | 66 | 58 | 58 | .324 |