| 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 | Chicago White Stockings | NL | MLB | CHN | - | 24 | 7 | 5 | 2.74 | 12 | 12 | 11 | 1 | 0 | 0 | 0 | 102.0 | 90 | 59 | 31 | 6 | 25 | 39 | 7 | 0 | 8 | 1.13 | 7.94 | 0.53 | 2.21 | 3.44 | 5.21 | 1.56 |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 25 | 15 | 15 | 3.64 | 35 | 30 | 28 | 1 | 5 | 5 | 0 | 287.0 | 302 | 192 | 116 | 16 | 105 | 105 | 9 | 0 | 7 | 1.42 | 9.47 | 0.50 | 3.29 | 3.29 | 6.02 | 1.00 |
| 1890 | Pittsburgh Burghers | MLB | MLB | PTP | - | 26 | 3 | 11 | 7.31 | 14 | 14 | 13 | 0 | 0 | 0 | 0 | 117.0 | 160 | 147 | 95 | 6 | 70 | 30 | 15 | 0 | 4 | 1.97 | 12.31 | 0.46 | 5.38 | 2.31 | 11.31 | 0.43 |
| Tot: | MLB (3 yrs) | MLB | 25 | 31 | 4.30 | 61 | 56 | 52 | 2 | 5 | 5 | 0 | 506.0 | 552 | 398 | 242 | 28 | 200 | 174 | 31 | 0 | 19 | 1.49 | 9.82 | 0.50 | 3.56 | 3.09 | 7.08 | 0.87 | ||||
| Tot: | NL (2 yrs) | NL | 22 | 20 | 3.40 | 47 | 42 | 39 | 2 | 5 | 5 | 0 | 389.0 | 392 | 251 | 147 | 22 | 130 | 144 | 16 | 0 | 15 | 1.34 | 9.07 | 0.51 | 3.01 | 3.33 | 5.81 | 1.11 | ||||
| Tot: | MLB (1 yrs) | MLB | 3 | 11 | 7.31 | 14 | 14 | 13 | 0 | 0 | 0 | 0 | 117.0 | 160 | 147 | 95 | 6 | 70 | 30 | 15 | 0 | 4 | 1.97 | 12.31 | 0.46 | 5.38 | 2.31 | 11.31 | 0.43 | ||||
| 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 |
| 1885 | Baltimore Orioles | MLB | MLB | BLN | - | 21 | OF | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1888 | Chicago White Stockings | NL | MLB | CHN | - | 24 | P | 12 | 46 | 4 | 9 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 15 | 1 | 0 | 0 | 0 | 0 | 10 | 48 | 1 | 8 | .196 | .229 | .217 | .446 | .000 | .021 | .000 | 2.08 | 31.25 | 15.00 | 0.00 | |
| 1889 | Chicago White Stockings | NL | MLB | CHN | - | 25 | P | 42 | 150 | 18 | 41 | 4 | 2 | 1 | 19 | 2 | 0 | 7 | 22 | 0 | 0 | 0 | 0 | 0 | 52 | 157 | 7 | 34 | .273 | .306 | .347 | .653 | .000 | .074 | .000 | 4.46 | 14.01 | 3.14 | 150.00 | |
| 1890 | Pittsburgh Burghers | MLB | MLB | PTP | - | 26 | P | 18 | 63 | 7 | 12 | 0 | 0 | 2 | 5 | 1 | 0 | 7 | 10 | 3 | 0 | 0 | 0 | 0 | 18 | 73 | 2 | 10 | .190 | .301 | .286 | .587 | .000 | .096 | .000 | 9.59 | 13.70 | 1.43 | 31.50 | |
| Tot: | MLB (4 yrs) | MLB | 73 | 263 | 29 | 62 | 5 | 2 | 3 | 25 | 4 | 0 | 15 | 47 | 4 | 0 | 0 | 0 | 0 | 80 | 282 | 10 | 52 | .236 | .287 | .304 | .591 | .141 | .068 | .277 | 5.32 | 16.67 | 3.13 | 87.67 | ||||||
| Tot: | NL (2 yrs) | NL | 54 | 196 | 22 | 50 | 5 | 2 | 1 | 20 | 3 | 0 | 8 | 37 | 1 | 0 | 0 | 0 | 0 | 62 | 205 | 8 | 42 | .255 | .288 | .316 | .604 | .117 | .061 | .310 | 3.90 | 18.05 | 4.63 | 196.00 | ||||||
| Tot: | MLB (2 yrs) | MLB | 19 | 67 | 7 | 12 | 0 | 0 | 2 | 5 | 1 | 0 | 7 | 10 | 3 | 0 | 0 | 0 | 0 | 18 | 77 | 2 | 10 | .179 | .286 | .269 | .554 | .209 | .090 | .182 | 9.09 | 12.99 | 1.43 | 33.50 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 40 | 46 | 48 | 40 | 48 | 48 | .486 |