| 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 |
| 1887 | Detroit Wolverines | NL | MLB | DTN | - | 20 | 1 | 1 | 4.00 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 18.0 | 13 | 11 | 8 | 2 | 8 | 6 | 1 | 0 | 1 | 1.17 | 6.50 | 1.00 | 4.00 | 3.00 | 5.50 | 0.75 |
| 1888 | Detroit Wolverines | NL | MLB | DTN | - | 21 | 5 | 7 | 2.86 | 12 | 12 | 12 | 1 | 0 | 0 | 0 | 107.0 | 111 | 60 | 34 | 6 | 16 | 44 | 9 | 1 | 2 | 1.19 | 9.34 | 0.50 | 1.35 | 3.70 | 5.05 | 2.75 |
| 1889 | Cleveland Spiders | NL | MLB | CL4 | - | 22 | 20 | 15 | 3.57 | 36 | 36 | 35 | 3 | 0 | 0 | 0 | 317.2 | 316 | 179 | 126 | 12 | 141 | 126 | 9 | 0 | 6 | 1.44 | 8.95 | 0.34 | 3.99 | 3.57 | 5.07 | 0.89 |
| 1890 | Cleveland Spiders | NL | MLB | CL4 | - | 23 | 22 | 30 | 3.83 | 54 | 54 | 53 | 1 | 0 | 0 | 0 | 474.1 | 518 | 300 | 202 | 11 | 186 | 155 | 17 | 0 | 0 | 1.48 | 9.83 | 0.21 | 3.53 | 2.94 | 5.69 | 0.83 |
| 1891 | Cleveland Spiders | NL | MLB | CL4 | - | 24 | 0 | 3 | 5.28 | 5 | 4 | 2 | 0 | 1 | 1 | 0 | 29.0 | 39 | 44 | 17 | 1 | 21 | 4 | 1 | 0 | 0 | 2.07 | 12.10 | 0.31 | 6.52 | 1.24 | 13.66 | 0.19 |
| Tot: | MLB (5 yrs) | MLB | 48 | 56 | 3.68 | 109 | 108 | 104 | 5 | 1 | 1 | 0 | 946.0 | 997 | 594 | 387 | 32 | 372 | 335 | 37 | 1 | 9 | 1.45 | 9.49 | 0.30 | 3.54 | 3.19 | 5.65 | 0.90 | ||||
| Tot: | NL (5 yrs) | NL | 48 | 56 | 3.68 | 109 | 108 | 104 | 5 | 1 | 1 | 0 | 946.0 | 997 | 594 | 387 | 32 | 372 | 335 | 37 | 1 | 9 | 1.45 | 9.49 | 0.30 | 3.54 | 3.19 | 5.65 | 0.90 | ||||
| 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 |
| 1887 | Detroit Wolverines | NL | MLB | DTN | - | 20 | P | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 57.14 | 0.00 | 0.00 | |
| 1888 | Detroit Wolverines | NL | MLB | DTN | - | 21 | P | 16 | 56 | 8 | 14 | 1 | 2 | 2 | 9 | 1 | 0 | 6 | 8 | 0 | 0 | 0 | 0 | 0 | 25 | 62 | 5 | 9 | .250 | .323 | .446 | .769 | .000 | .196 | .000 | 9.68 | 12.90 | 1.33 | 28.00 | |
| 1889 | Cleveland Spiders | NL | MLB | CL4 | - | 22 | P | 37 | 121 | 13 | 14 | 0 | 0 | 1 | 8 | 0 | 0 | 14 | 33 | 0 | 0 | 0 | 0 | 0 | 17 | 135 | 1 | 13 | .116 | .207 | .140 | .347 | .000 | .024 | .000 | 10.37 | 24.44 | 2.36 | 121.00 | |
| 1890 | Cleveland Spiders | NL | MLB | CL4 | - | 23 | P | 54 | 191 | 25 | 27 | 4 | 3 | 1 | 21 | 2 | 0 | 12 | 43 | 0 | 0 | 0 | 0 | 0 | 40 | 203 | 8 | 19 | .141 | .192 | .209 | .401 | .000 | .068 | .000 | 5.91 | 21.18 | 3.58 | 191.00 | |
| 1891 | Cleveland Spiders | NL | MLB | CL4 | - | 24 | P | 5 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 0 | 1 | .077 | .077 | .077 | .154 | .000 | .000 | .000 | 0.00 | 15.38 | 0.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 114 | 388 | 46 | 56 | 5 | 5 | 4 | 38 | 3 | 0 | 32 | 90 | 0 | 0 | 0 | 0 | 0 | 83 | 420 | 14 | 42 | .144 | .210 | .214 | .423 | .160 | .070 | .177 | 7.62 | 21.43 | 2.81 | 97.00 | ||||||
| Tot: | NL (5 yrs) | NL | 114 | 388 | 46 | 56 | 5 | 5 | 4 | 38 | 3 | 0 | 32 | 90 | 0 | 0 | 0 | 0 | 0 | 83 | 420 | 14 | 42 | .144 | .210 | .214 | .423 | .160 | .070 | .177 | 7.62 | 21.43 | 2.81 | 97.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 47 | 48 | 54 | 49 | 54 | 52 | .481 |