| 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 |
| 1973 | Kansas City Royals | AL | MLB | KCA | 29 | 23 | 4 | 4 | 2.99 | 54 | 0 | 0 | 0 | 54 | 41 | 20 | 102.1 | 81 | 37 | 34 | 10 | 30 | 83 | 1 | 1 | 2 | 1.08 | 7.12 | 0.88 | 2.64 | 7.30 | 3.25 | 2.77 |
| 1974 | Kansas City Royals | AL | MLB | KCA | 29 | 24 | 7 | 6 | 2.73 | 55 | 1 | 1 | 0 | 54 | 44 | 10 | 92.1 | 100 | 31 | 28 | 6 | 27 | 62 | 1 | 0 | 1 | 1.38 | 9.75 | 0.58 | 2.63 | 6.04 | 3.02 | 2.30 |
| 1975 | Kansas City Royals | AL | MLB | KCA | 29 | 25 | 9 | 6 | 3.25 | 51 | 4 | 0 | 0 | 47 | 36 | 11 | 105.1 | 100 | 42 | 38 | 7 | 40 | 81 | 2 | 0 | 2 | 1.33 | 8.54 | 0.60 | 3.42 | 6.92 | 3.59 | 2.03 |
| 1976 | Kansas City Royals | AL | MLB | KCA | 29 | 26 | 12 | 10 | 3.37 | 39 | 27 | 2 | 1 | 12 | 6 | 2 | 197.2 | 191 | 90 | 74 | 17 | 31 | 107 | 0 | 1 | 3 | 1.12 | 8.70 | 0.77 | 1.41 | 4.87 | 4.10 | 3.45 |
| 1977 | Kansas City Royals | AL | MLB | KCA | 29 | 27 | 11 | 4 | 3.88 | 53 | 5 | 0 | 0 | 48 | 31 | 14 | 118.1 | 120 | 52 | 51 | 14 | 29 | 83 | 3 | 0 | 3 | 1.26 | 9.13 | 1.06 | 2.21 | 6.31 | 3.95 | 2.86 |
| 1978 | Kansas City Royals | AL | MLB | KCA | 29 | 28 | 6 | 6 | 5.29 | 40 | 6 | 0 | 0 | 34 | 13 | 1 | 98.2 | 110 | 63 | 58 | 8 | 31 | 48 | 9 | 2 | 2 | 1.43 | 10.03 | 0.73 | 2.83 | 4.38 | 5.75 | 1.55 |
| 1979 | Philadelphia Phillies | NL | MLB | PHI | 43 | 29 | 2 | 0 | 5.16 | 32 | 1 | 1 | 0 | 31 | 10 | 0 | 61.0 | 73 | 35 | 35 | 7 | 16 | 33 | 2 | 0 | 2 | 1.46 | 10.77 | 1.03 | 2.36 | 4.87 | 5.16 | 2.06 |
| 1980 | Columbus Clippers | IL | AAA | NYA | - | 30 | 6 | 0 | 2.25 | 15 | 4 | 0 | 0 | 11 | 0 | 2 | 48.0 | 33 | 15 | 12 | 4 | 13 | 36 | 3 | 0 | 0 | 0.96 | 6.19 | 0.75 | 2.44 | 6.75 | 2.81 | 2.77 |
| 1980 | New York Yankees | AL | MLB | NYA | 43 | 30 | 3 | 0 | 2.66 | 22 | 1 | 0 | 0 | 21 | 7 | 1 | 50.2 | 47 | 16 | 15 | 3 | 14 | 17 | 1 | 0 | 1 | 1.20 | 8.35 | 0.53 | 2.49 | 3.02 | 2.84 | 1.21 |
| 1981 | New York Yankees | AL | MLB | NYA | 43 | 31 | 5 | 1 | 2.70 | 17 | 4 | 0 | 0 | 13 | 3 | 0 | 53.1 | 58 | 19 | 16 | 5 | 16 | 28 | 0 | 0 | 0 | 1.39 | 9.79 | 0.84 | 2.70 | 4.73 | 3.21 | 1.75 |
| 1981 | Chicago Cubs | NL | MLB | CHN | 47 | 31 | 4 | 5 | 3.58 | 12 | 12 | 2 | 1 | 0 | 0 | 0 | 75.1 | 72 | 34 | 30 | 5 | 16 | 34 | 2 | 0 | 1 | 1.17 | 8.60 | 0.60 | 1.91 | 4.06 | 4.06 | 2.13 |
| 1982 | Chicago Cubs | NL | MLB | CHN | 47 | 32 | 9 | 14 | 5.14 | 35 | 33 | 2 | 1 | 2 | 1 | 0 | 191.0 | 230 | 119 | 109 | 26 | 30 | 71 | 1 | 0 | 3 | 1.36 | 10.84 | 1.23 | 1.41 | 3.35 | 5.61 | 2.37 |
| 1983 | Boston Red Sox | AL | MLB | BOS | 42 | 33 | 1 | 4 | 6.65 | 22 | 6 | 0 | 0 | 16 | 7 | 1 | 67.2 | 91 | 52 | 50 | 14 | 16 | 33 | 1 | 0 | 2 | 1.58 | 12.10 | 1.86 | 2.13 | 4.39 | 6.92 | 2.06 |
| Tot: | MLB (11 yrs) | MLB | 73 | 60 | 3.99 | 432 | 100 | 8 | 3 | 199 | 332 | 60 | 1213.2 | 1273 | 590 | 538 | 122 | 296 | 680 | 23 | 4 | 22 | 1.29 | 9.44 | 0.90 | 2.20 | 5.04 | 4.38 | 2.30 | ||||
| Tot: | NL (3 yrs) | NL | 15 | 19 | 4.78 | 79 | 46 | 5 | 2 | 11 | 33 | 0 | 327.1 | 375 | 188 | 174 | 38 | 62 | 138 | 5 | 0 | 6 | 1.34 | 10.31 | 1.04 | 1.70 | 3.79 | 5.17 | 2.23 | ||||
| Tot: | AL (9 yrs) | AL | 58 | 41 | 3.70 | 353 | 54 | 3 | 1 | 188 | 299 | 60 | 886.1 | 898 | 402 | 364 | 84 | 234 | 542 | 18 | 4 | 16 | 1.28 | 9.12 | 0.85 | 2.38 | 5.50 | 4.08 | 2.32 | ||||
| Tot: | Minors (1 yrs) | Minors | 6 | 0 | 2.25 | 15 | 4 | 0 | 0 | 0 | 11 | 2 | 48.0 | 33 | 15 | 12 | 4 | 13 | 36 | 3 | 0 | 0 | 0.96 | 6.19 | 0.75 | 2.44 | 6.75 | 2.81 | 2.77 | ||||
| Tot: | AAA (1 yrs) | AAA | 6 | 0 | 2.25 | 15 | 4 | 0 | 0 | 0 | 11 | 2 | 48.0 | 33 | 15 | 12 | 4 | 13 | 36 | 3 | 0 | 0 | 0.96 | 6.19 | 0.75 | 2.44 | 6.75 | 2.81 | 2.77 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1976 | Kansas City Royals | Championship Series | Playoffs | 26 | 1 | 0 | 1.93 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0.86 | 7.71 | 0.00 | 0.00 | 1.93 | 0.00 | 0.00 |
| 1977 | Kansas City Royals | Championship Series | Playoffs | 27 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2.00 | 18.00 | 0.00 | 0.00 | 4.50 | 0.00 | 0.00 |
| 1978 | Kansas City Royals | Championship Series | Playoffs | 28 | 0 | 1 | 9.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2.00 | 18.00 | 0.00 | 0.00 | 9.00 | 0.00 | 0.00 |
| Tot: | Playoffs (3 Yrs) | Playoffs | 1 | 1 | 2.35 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 7.2 | 10 | 0 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 1.30 | 11.74 | 0.00 | 0.00 | 3.52 | 0.00 |
| 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 |
| 1979 | Philadelphia Phillies | NL | MLB | PHI | 43 | 29 | P | 32 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 1 | .167 | .286 | .167 | .453 | .167 | .000 | .500 | 14.29 | 57.14 | 4.00 | 0.00 | |
| 1981 | Chicago Cubs | NL | MLB | CHN | 47 | 31 | P | 12 | 20 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 2 | 0 | 0 | 0 | 2 | 23 | 0 | 2 | .100 | .143 | .100 | .243 | .050 | .000 | .222 | 4.35 | 47.83 | 11.00 | 0.00 | |
| 1982 | Chicago Cubs | NL | MLB | CHN | 47 | 32 | P | 35 | 56 | 0 | 8 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 20 | 0 | 4 | 0 | 0 | 1 | 9 | 60 | 1 | 7 | .143 | .143 | .161 | .304 | .018 | .018 | .222 | 0.00 | 33.33 | 0.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 79 | 82 | 1 | 11 | 1 | 0 | 0 | 3 | 0 | 0 | 2 | 35 | 0 | 6 | 0 | 0 | 1 | 12 | 90 | 1 | 10 | .134 | .155 | .146 | .301 | .037 | .012 | .234 | 2.22 | 38.89 | 17.50 | |||||||
| Tot: | NL (3 yrs) | NL | 79 | 82 | 1 | 11 | 1 | 0 | 0 | 3 | 0 | 0 | 2 | 35 | 0 | 6 | 0 | 0 | 1 | 12 | 90 | 1 | 10 | .134 | .155 | .146 | .301 | .037 | .012 | .234 | 2.22 | 38.89 | 17.50 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 57 | 84 | 45 | 83 | 45 | 79 | .548 |