| 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 |
| 1971 | Milwaukee Brewers | AL | MLB | MIL | 52 | 22 | 13 | 17 | 3.20 | 36 | 35 | 12 | 4 | 1 | 0 | 0 | 244.2 | 219 | 95 | 87 | 19 | 93 | 139 | 5 | 0 | 4 | 1.28 | 8.06 | 0.70 | 3.42 | 5.11 | 3.49 | 1.49 |
| 1972 | Milwaukee Brewers | AL | MLB | MIL | 52 | 23 | 13 | 13 | 3.91 | 33 | 30 | 10 | 2 | 3 | 0 | 0 | 214.0 | 194 | 102 | 93 | 27 | 68 | 111 | 5 | 1 | 3 | 1.22 | 8.16 | 1.14 | 2.86 | 4.67 | 4.29 | 1.63 |
| 1973 | Milwaukee Brewers | AL | MLB | MIL | 52 | 24 | 3 | 6 | 6.79 | 20 | 17 | 0 | 0 | 3 | 0 | 0 | 59.2 | 59 | 50 | 45 | 6 | 67 | 30 | 9 | 2 | 0 | 2.11 | 8.90 | 0.91 | 10.11 | 4.53 | 7.54 | 0.45 |
| 1974 | Oakland Athletics | AL | MLB | OAK | 39 | 25 | 0 | 0 | 0.00 | 4 | 0 | 0 | 0 | 4 | 1 | 0 | 2.0 | 1 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 2.00 | 4.50 | 0.00 | 13.50 | 9.00 | 0.00 | 0.67 |
| Tot: | MLB (4 yrs) | MLB | 29 | 36 | 3.89 | 93 | 82 | 22 | 6 | 1 | 11 | 0 | 520.1 | 473 | 247 | 225 | 52 | 231 | 282 | 19 | 3 | 7 | 1.35 | 8.18 | 0.90 | 4.00 | 4.88 | 4.27 | 1.22 | ||||
| Tot: | AL (4 yrs) | AL | 29 | 36 | 3.89 | 93 | 82 | 22 | 6 | 1 | 11 | 0 | 520.1 | 473 | 247 | 225 | 52 | 231 | 282 | 19 | 3 | 7 | 1.35 | 8.18 | 0.90 | 4.00 | 4.88 | 4.27 | 1.22 | ||||
| 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 |
| 1971 | Milwaukee Brewers | AL | MLB | MIL | 52 | 22 | P | 36 | 72 | 4 | 12 | 3 | 0 | 1 | 8 | 0 | 0 | 8 | 31 | 0 | 8 | 0 | 0 | 1 | 18 | 88 | 4 | 8 | .167 | .250 | .250 | .500 | .194 | .083 | .275 | 9.09 | 35.23 | 3.88 | 72.00 | |
| 1972 | Milwaukee Brewers | AL | MLB | MIL | 52 | 23 | P | 33 | 67 | 4 | 11 | 1 | 0 | 0 | 7 | 0 | 0 | 3 | 30 | 0 | 6 | 2 | 0 | 1 | 12 | 78 | 1 | 10 | .164 | .194 | .179 | .373 | .060 | .015 | .282 | 3.85 | 38.46 | 10.00 | 0.00 | |
| Tot: | MLB (2 yrs) | MLB | 69 | 139 | 8 | 23 | 4 | 0 | 1 | 15 | 0 | 0 | 11 | 61 | 0 | 14 | 2 | 0 | 2 | 30 | 166 | 5 | 18 | .165 | .224 | .216 | .440 | .129 | .050 | .278 | 6.63 | 36.75 | 5.55 | 139.00 | ||||||
| Tot: | AL (2 yrs) | AL | 69 | 139 | 8 | 23 | 4 | 0 | 1 | 15 | 0 | 0 | 11 | 61 | 0 | 14 | 2 | 0 | 2 | 30 | 166 | 5 | 18 | .165 | .224 | .216 | .440 | .129 | .050 | .278 | 6.63 | 36.75 | 5.55 | 139.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 39 | 40 | 56 | 34 | 56 | 65 | .465 |