| 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 |
| 1962 | Minnesota Twins | AL | MLB | MIN | 44 | 19 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.50 | 4.50 | 0.00 | 0.00 | 4.50 | 0.00 | 0.00 |
| 1963 | Minnesota Twins | AL | MLB | MIN | 34 | 20 | 4 | 1 | 2.57 | 10 | 7 | 2 | 1 | 3 | 1 | 0 | 49.0 | 32 | 17 | 14 | 4 | 27 | 34 | 2 | 0 | 0 | 1.20 | 5.88 | 0.73 | 4.96 | 6.24 | 3.12 | 1.26 |
| 1964 | Minnesota Twins | AL | MLB | MIN | ,2544 | 21 | 2 | 6 | 4.10 | 30 | 13 | 1 | 0 | 17 | 7 | 3 | 94.1 | 76 | 48 | 43 | 12 | 55 | 63 | 6 | 1 | 4 | 1.39 | 7.25 | 1.14 | 5.25 | 6.01 | 4.58 | 1.15 |
| 1966 | Minnesota Twins | AL | MLB | MIN | 32 | 23 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 4.50 | 0.00 | 0.00 |
| 1967 | Minnesota Twins | AL | MLB | MIN | 19 | 24 | 0 | 1 | 3.03 | 25 | 0 | 0 | 0 | 25 | 11 | 2 | 35.2 | 33 | 12 | 12 | 3 | 17 | 16 | 3 | 0 | 0 | 1.40 | 8.33 | 0.76 | 4.29 | 4.04 | 3.03 | 0.94 |
| 1968 | Minnesota Twins | AL | MLB | MIN | 19 | 25 | 4 | 1 | 3.50 | 28 | 4 | 1 | 0 | 24 | 12 | 0 | 61.2 | 55 | 33 | 24 | 3 | 24 | 36 | 7 | 1 | 2 | 1.28 | 8.03 | 0.44 | 3.50 | 5.25 | 4.82 | 1.50 |
| 1969 | Oakland Athletics | AL | MLB | OAK | 33 | 26 | 5 | 1 | 2.19 | 39 | 3 | 2 | 0 | 36 | 8 | 1 | 86.1 | 59 | 24 | 21 | 2 | 46 | 48 | 4 | 0 | 6 | 1.22 | 6.15 | 0.21 | 4.80 | 5.00 | 2.50 | 1.04 |
| 1970 | Oakland Athletics | AL | MLB | OAK | 33 | 27 | 3 | 3 | 2.70 | 28 | 2 | 0 | 0 | 26 | 6 | 2 | 43.1 | 28 | 14 | 13 | 2 | 23 | 26 | 4 | 0 | 0 | 1.18 | 5.82 | 0.42 | 4.78 | 5.40 | 2.91 | 1.13 |
| 1971 | Oakland Athletics | AL | MLB | OAK | 33 | 28 | 1 | 3 | 3.18 | 31 | 0 | 0 | 0 | 31 | 7 | 1 | 45.1 | 34 | 18 | 16 | 4 | 19 | 30 | 3 | 1 | 5 | 1.17 | 6.75 | 0.79 | 3.77 | 5.96 | 3.57 | 1.58 |
| 1972 | Oakland Athletics | AL | MLB | OAK | 33 | 29 | 0 | 0 | 3.86 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2.1 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.14 | 19.29 | 0.00 | 0.00 | 0.00 | 7.71 | 0.00 |
| 1972 | New York Yankees | AL | MLB | NYA | 54 | 29 | 0 | 1 | 5.04 | 16 | 0 | 0 | 0 | 16 | 10 | 0 | 25.0 | 27 | 14 | 14 | 3 | 16 | 13 | 0 | 0 | 1 | 1.72 | 9.72 | 1.08 | 5.76 | 4.68 | 5.04 | 0.81 |
| 1972 | Texas Rangers | AL | MLB | TEX | 34 | 29 | 0 | 0 | 8.10 | 5 | 0 | 0 | 0 | 5 | 1 | 0 | 3.1 | 7 | 3 | 3 | 1 | 2 | 4 | 0 | 0 | 1 | 2.70 | 18.90 | 2.70 | 5.40 | 10.80 | 8.10 | 2.00 |
| Tot: | MLB (10 yrs) | MLB | 19 | 17 | 3.22 | 216 | 29 | 6 | 1 | 64 | 187 | 9 | 450.1 | 357 | 185 | 161 | 34 | 229 | 272 | 29 | 3 | 19 | 1.30 | 7.13 | 0.68 | 4.58 | 5.44 | 3.70 | 1.19 | ||||
| Tot: | AL (10 yrs) | AL | 19 | 17 | 3.22 | 216 | 29 | 6 | 1 | 64 | 187 | 9 | 450.1 | 357 | 185 | 161 | 34 | 229 | 272 | 29 | 3 | 19 | 1.30 | 7.13 | 0.68 | 4.58 | 5.44 | 3.70 | 1.19 | ||||
| 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 |
| 1963 | Minnesota Twins | AL | MLB | MIN | 34 | 20 | P | 10 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1964 | Minnesota Twins | AL | MLB | MIN | ,2544 | 21 | P | 30 | 27 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 4 | 27 | 0 | 4 | .148 | .148 | .148 | .296 | .000 | .000 | .250 | 0.00 | 40.74 | 0.00 | 0.00 | |
| 1967 | Minnesota Twins | AL | MLB | MIN | 19 | 24 | P | 25 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1968 | Minnesota Twins | AL | MLB | MIN | 19 | 25 | P | 29 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | .000 | .111 | .000 | .111 | .125 | .000 | .000 | 9.09 | 36.36 | 4.00 | 0.00 | |
| 1969 | Oakland Athletics | AL | MLB | OAK | 33 | 26 | P | 39 | 21 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 0 | 0 | 0 | 0 | 1 | 2 | 22 | 0 | 2 | .095 | .136 | .095 | .231 | .048 | .000 | .167 | 4.55 | 40.91 | 9.00 | 0.00 | |
| 1970 | Oakland Athletics | AL | MLB | OAK | 33 | 27 | P | 28 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | .000 | .143 | .000 | .143 | .167 | .000 | .000 | 14.29 | 57.14 | 4.00 | 0.00 | |
| 1971 | Oakland Athletics | AL | MLB | OAK | 33 | 28 | P | 31 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 25.00 | 0.00 | 0.00 | |
| 1972 | New York Yankees | AL | MLB | NYA | 54 | 29 | P | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (8 yrs) | MLB | 208 | 84 | 3 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 36 | 0 | 6 | 0 | 0 | 1 | 6 | 93 | 0 | 6 | .071 | .103 | .071 | .175 | .036 | .000 | .125 | 3.23 | 38.71 | 12.00 | |||||||
| Tot: | AL (8 yrs) | AL | 208 | 84 | 3 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 36 | 0 | 6 | 0 | 0 | 1 | 6 | 93 | 0 | 6 | .071 | .103 | .071 | .175 | .036 | .000 | .125 | 3.23 | 38.71 | 12.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 45 | 21 | 71 | 21 | 71 | 40 | .533 |