| 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 |
| 1972 | Minnesota Twins | AL | MLB | MIN | 30 | 23 | 3 | 3 | 2.67 | 15 | 11 | 2 | 0 | 4 | 2 | 1 | 91.0 | 75 | 30 | 27 | 5 | 26 | 38 | 1 | 1 | 0 | 1.11 | 7.42 | 0.49 | 2.57 | 3.76 | 2.97 | 1.46 |
| 1973 | Minnesota Twins | AL | MLB | MIN | 30 | 24 | 6 | 4 | 5.25 | 32 | 10 | 1 | 0 | 22 | 11 | 1 | 106.1 | 138 | 68 | 62 | 11 | 32 | 65 | 5 | 0 | 2 | 1.60 | 11.68 | 0.93 | 2.71 | 5.50 | 5.76 | 2.03 |
| 1974 | Minnesota Twins | AL | MLB | MIN | 30 | 25 | 10 | 10 | 3.25 | 28 | 24 | 5 | 1 | 4 | 1 | 1 | 174.1 | 192 | 81 | 63 | 14 | 45 | 89 | 4 | 0 | 7 | 1.36 | 9.91 | 0.72 | 2.32 | 4.59 | 4.18 | 1.98 |
| 1975 | Minnesota Twins | AL | MLB | MIN | 30 | 26 | 14 | 14 | 3.67 | 32 | 32 | 15 | 1 | 0 | 0 | 0 | 243.0 | 235 | 112 | 99 | 18 | 72 | 128 | 11 | 3 | 6 | 1.26 | 8.70 | 0.67 | 2.67 | 4.74 | 4.15 | 1.78 |
| 1976 | Minnesota Twins | AL | MLB | MIN | 30 | 27 | 14 | 14 | 3.36 | 36 | 35 | 13 | 4 | 1 | 0 | 0 | 249.1 | 239 | 113 | 93 | 14 | 91 | 133 | 15 | 1 | 5 | 1.32 | 8.63 | 0.51 | 3.28 | 4.80 | 4.08 | 1.46 |
| 1977 | Minnesota Twins | AL | MLB | MIN | 30 | 28 | 20 | 11 | 3.36 | 39 | 39 | 19 | 2 | 0 | 0 | 0 | 303.0 | 284 | 129 | 113 | 23 | 91 | 186 | 9 | 1 | 2 | 1.24 | 8.44 | 0.68 | 2.70 | 5.52 | 3.83 | 2.04 |
| 1978 | Minnesota Twins | AL | MLB | MIN | 30 | 29 | 15 | 10 | 2.49 | 29 | 29 | 13 | 2 | 0 | 0 | 0 | 220.1 | 209 | 72 | 61 | 12 | 67 | 116 | 4 | 1 | 1 | 1.25 | 8.54 | 0.49 | 2.74 | 4.74 | 2.94 | 1.73 |
| 1979 | Minnesota Twins | AL | MLB | MIN | 30 | 30 | 14 | 13 | 4.16 | 36 | 35 | 12 | 1 | 1 | 1 | 0 | 250.2 | 282 | 124 | 116 | 22 | 69 | 132 | 5 | 0 | 1 | 1.40 | 10.12 | 0.79 | 2.48 | 4.74 | 4.45 | 1.91 |
| 1980 | Los Angeles Dodgers | NL | MLB | LAN | 38 | 31 | 7 | 11 | 4.31 | 35 | 27 | 2 | 2 | 8 | 2 | 1 | 171.1 | 198 | 91 | 82 | 12 | 59 | 91 | 3 | 1 | 0 | 1.50 | 10.40 | 0.63 | 3.10 | 4.78 | 4.78 | 1.54 |
| 1981 | Los Angeles Dodgers | NL | MLB | LAN | 38 | 32 | 2 | 7 | 4.09 | 26 | 8 | 0 | 0 | 18 | 3 | 1 | 77.0 | 83 | 35 | 35 | 4 | 25 | 48 | 2 | 1 | 0 | 1.40 | 9.70 | 0.47 | 2.92 | 5.61 | 4.09 | 1.92 |
| 1982 | Los Angeles Dodgers | NL | MLB | LAN | 38 | 33 | 0 | 1 | 4.91 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 3.2 | 6 | 4 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 1.64 | 14.73 | 0.00 | 0.00 | 7.36 | 9.82 | 0.00 |
| 1982 | California Angels | AL | MLB | CAL | 30 | 33 | 8 | 5 | 4.08 | 28 | 7 | 1 | 0 | 21 | 16 | 3 | 86.0 | 82 | 43 | 39 | 4 | 32 | 49 | 2 | 0 | 1 | 1.33 | 8.58 | 0.42 | 3.35 | 5.13 | 4.50 | 1.53 |
| 1983 | California Angels | AL | MLB | CAL | 30 | 34 | 0 | 6 | 6.22 | 15 | 6 | 0 | 0 | 9 | 2 | 0 | 63.2 | 81 | 48 | 44 | 10 | 37 | 27 | 1 | 1 | 1 | 1.85 | 11.45 | 1.41 | 5.23 | 3.82 | 6.79 | 0.73 |
| Tot: | MLB (12 yrs) | MLB | 113 | 109 | 3.69 | 353 | 264 | 83 | 13 | 39 | 89 | 8 | 2039.2 | 2104 | 950 | 836 | 149 | 646 | 1105 | 62 | 10 | 26 | 1.35 | 9.28 | 0.66 | 2.85 | 4.88 | 4.19 | 1.71 | ||||
| Tot: | AL (10 yrs) | AL | 104 | 90 | 3.61 | 290 | 228 | 81 | 11 | 33 | 62 | 6 | 1787.2 | 1817 | 820 | 717 | 133 | 562 | 963 | 57 | 8 | 26 | 1.33 | 9.15 | 0.67 | 2.83 | 4.85 | 4.13 | 1.71 | ||||
| Tot: | NL (3 yrs) | NL | 9 | 19 | 4.25 | 63 | 36 | 2 | 2 | 6 | 27 | 2 | 252.0 | 287 | 130 | 119 | 16 | 84 | 142 | 5 | 2 | 0 | 1.47 | 10.25 | 0.57 | 3.00 | 5.07 | 4.64 | 1.69 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | 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 |
| 1981 | Los Angeles Dodgers | World Series | Playoffs | 32 | 0 | 0 | 5.40 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3.1 | 4 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 1.50 | 10.80 | 0.00 | 2.70 | 5.40 | 0.00 | 2.00 |
| 1982 | California Angels | Championship Series | Playoffs | 33 | 0 | 0 | 7.36 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 4 | 0 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | 1.64 | 9.82 | 0.00 | 4.91 | 4.91 | 0.00 | 1.00 |
| Tot: | Playoffs (2 Yrs) | Playoffs | 0 | 0 | 6.43 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 7.0 | 8 | 0 | 5 | 0 | 3 | 4 | 0 | 0 | 0 | 1.57 | 10.29 | 0.00 | 3.86 | 5.14 | 0.00 | 1.33 |
| 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 |
| 1972 | Minnesota Twins | AL | MLB | MIN | 30 | 23 | P | 15 | 29 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 17 | 0 | 3 | 0 | 0 | 1 | 3 | 34 | 0 | 3 | .103 | .161 | .103 | .264 | .069 | .000 | .250 | 5.88 | 50.00 | 8.50 | 0.00 | |
| 1980 | Los Angeles Dodgers | NL | MLB | LAN | 38 | 31 | P | 35 | 47 | 1 | 6 | 0 | 0 | 0 | 4 | 0 | 0 | 7 | 23 | 0 | 7 | 0 | 0 | 0 | 6 | 61 | 0 | 6 | .128 | .241 | .128 | .369 | .149 | .000 | .250 | 11.48 | 37.70 | 3.29 | 0.00 | |
| 1981 | Los Angeles Dodgers | NL | MLB | LAN | 38 | 32 | P | 26 | 17 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 9 | 1 | 2 | 0 | 0 | 0 | 1 | 21 | 0 | 1 | .059 | .158 | .059 | .217 | .059 | .000 | .125 | 4.76 | 42.86 | 9.00 | 0.00 | |
| 1982 | Los Angeles Dodgers | NL | MLB | LAN | 38 | 33 | P | 2 | 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 (4 yrs) | MLB | 78 | 94 | 1 | 10 | 0 | 0 | 0 | 7 | 0 | 0 | 10 | 49 | 1 | 12 | 0 | 0 | 1 | 10 | 117 | 0 | 10 | .106 | .200 | .106 | .306 | .106 | .000 | .222 | 8.55 | 41.88 | 4.90 | |||||||
| Tot: | AL (1 yrs) | AL | 15 | 29 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 17 | 0 | 3 | 0 | 0 | 1 | 3 | 34 | 0 | 3 | .103 | .161 | .103 | .265 | .069 | .000 | .250 | 5.88 | 50.00 | 8.50 | |||||||
| Tot: | NL (3 yrs) | NL | 63 | 65 | 1 | 7 | 0 | 0 | 0 | 6 | 0 | 0 | 8 | 32 | 1 | 9 | 0 | 0 | 0 | 7 | 83 | 0 | 7 | .108 | .216 | .108 | .324 | .123 | .000 | .212 | 9.64 | 38.55 | 4.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 50 | 65 | 39 | 63 | 39 | 78 | .512 |