| 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 |
| 1974 | Kansas City Royals | AL | MLB | KCA | 22 | 23 | 0 | 4 | 5.32 | 5 | 4 | 0 | 0 | 1 | 0 | 0 | 22.0 | 28 | 15 | 13 | 0 | 12 | 8 | 0 | 0 | 3 | 1.82 | 11.45 | 0.00 | 4.91 | 3.27 | 6.14 | 0.67 |
| 1975 | Kansas City Royals | AL | MLB | KCA | 22 | 24 | 15 | 7 | 3.77 | 32 | 30 | 8 | 0 | 2 | 1 | 0 | 212.1 | 212 | 98 | 89 | 18 | 90 | 146 | 4 | 0 | 9 | 1.42 | 8.99 | 0.76 | 3.81 | 6.19 | 4.15 | 1.62 |
| 1976 | Kansas City Royals | AL | MLB | KCA | 22 | 25 | 17 | 10 | 3.51 | 35 | 34 | 16 | 2 | 1 | 0 | 0 | 259.0 | 247 | 113 | 101 | 16 | 70 | 150 | 7 | 1 | 11 | 1.22 | 8.58 | 0.56 | 2.43 | 5.21 | 3.93 | 2.14 |
| 1977 | Kansas City Royals | AL | MLB | KCA | 22 | 26 | 20 | 12 | 3.04 | 38 | 37 | 21 | 5 | 1 | 1 | 1 | 292.2 | 246 | 117 | 99 | 18 | 79 | 244 | 14 | 2 | 8 | 1.11 | 7.56 | 0.55 | 2.43 | 7.50 | 3.60 | 3.09 |
| 1978 | Kansas City Royals | AL | MLB | KCA | 22 | 27 | 21 | 17 | 3.33 | 40 | 40 | 20 | 4 | 0 | 0 | 0 | 294.2 | 283 | 125 | 109 | 27 | 78 | 183 | 12 | 0 | 9 | 1.23 | 8.64 | 0.82 | 2.38 | 5.59 | 3.82 | 2.35 |
| 1979 | Kansas City Royals | AL | MLB | KCA | 22 | 28 | 14 | 12 | 4.08 | 32 | 32 | 12 | 5 | 0 | 0 | 0 | 236.0 | 226 | 117 | 107 | 33 | 56 | 126 | 8 | 0 | 2 | 1.19 | 8.62 | 1.26 | 2.14 | 4.81 | 4.46 | 2.25 |
| 1980 | Kansas City Royals | AL | MLB | KCA | 22 | 29 | 20 | 11 | 3.79 | 38 | 38 | 9 | 3 | 0 | 0 | 0 | 280.1 | 271 | 127 | 118 | 30 | 80 | 155 | 12 | 1 | 1 | 1.25 | 8.70 | 0.96 | 2.57 | 4.98 | 4.08 | 1.94 |
| 1981 | Kansas City Royals | AL | MLB | KCA | 22 | 30 | 13 | 11 | 2.99 | 26 | 26 | 9 | 2 | 0 | 0 | 0 | 201.2 | 202 | 79 | 67 | 15 | 41 | 107 | 5 | 1 | 3 | 1.20 | 9.01 | 0.67 | 1.83 | 4.78 | 3.53 | 2.61 |
| 1982 | Gulf Coast Royals | GCL | Rk | KCA | - | 31 | 0 | 1 | 5.40 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 5 | 3 | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 1.20 | 9.00 | 0.00 | 1.80 | 3.60 | 5.40 | 2.00 |
| 1982 | Fort Myers Royals | FSL | A+ | KCA | - | 31 | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 4 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 1.20 | 7.20 | 0.00 | 3.60 | 5.40 | 0.00 | 1.50 |
| 1982 | Omaha Royals | Amer | AAA | KCA | - | 31 | 1 | 2 | 7.40 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 20.2 | 19 | 17 | 17 | 4 | 9 | 13 | 3 | 0 | 1 | 1.35 | 8.27 | 1.74 | 3.92 | 5.66 | 7.40 | 1.44 |
| 1982 | Kansas City Royals | AL | MLB | KCA | 22 | 31 | 10 | 6 | 5.10 | 21 | 21 | 2 | 0 | 0 | 0 | 0 | 130.2 | 145 | 82 | 74 | 20 | 46 | 58 | 4 | 0 | 2 | 1.46 | 9.99 | 1.38 | 3.17 | 3.99 | 5.65 | 1.26 |
| 1983 | Kansas City Royals | AL | MLB | KCA | 22 | 32 | 6 | 3 | 3.71 | 10 | 10 | 1 | 0 | 0 | 0 | 0 | 63.0 | 69 | 29 | 26 | 3 | 19 | 31 | 1 | 0 | 0 | 1.40 | 9.86 | 0.43 | 2.71 | 4.43 | 4.14 | 1.63 |
| 1985 | Fort Myers Royals | FSL | A+ | KCA | - | 34 | 2 | 0 | 1.10 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 16.1 | 5 | 3 | 2 | 0 | 2 | 10 | 1 | 0 | 0 | 0.43 | 2.76 | 0.00 | 1.10 | 5.51 | 1.65 | 5.00 |
| 1985 | Memphis Chicks | Sou | AA | KCA | - | 34 | 0 | 0 | 7.20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 9 | 4 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 2.00 | 16.20 | 1.80 | 1.80 | 1.80 | 7.20 | 1.00 |
| 1985 | Kansas City Royals | AL | MLB | KCA | 22 | 34 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 2 | 1 | 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 |
| 1986 | Kansas City Royals | AL | MLB | KCA | 22 | 35 | 8 | 13 | 4.44 | 33 | 30 | 5 | 2 | 3 | 0 | 0 | 192.2 | 207 | 106 | 95 | 22 | 51 | 114 | 6 | 1 | 4 | 1.34 | 9.67 | 1.03 | 2.38 | 5.33 | 4.95 | 2.24 |
| Tot: | MLB (12 yrs) | MLB | 144 | 106 | 3.70 | 312 | 302 | 103 | 23 | 3 | 10 | 1 | 2187.0 | 2137 | 1008 | 898 | 202 | 622 | 1323 | 73 | 6 | 52 | 1.26 | 8.79 | 0.83 | 2.56 | 5.44 | 4.15 | 2.13 | ||||
| Tot: | AL (12 yrs) | AL | 144 | 106 | 3.70 | 312 | 302 | 103 | 23 | 3 | 10 | 1 | 2187.0 | 2137 | 1008 | 898 | 202 | 622 | 1323 | 73 | 6 | 52 | 1.26 | 8.79 | 0.83 | 2.56 | 5.44 | 4.15 | 2.13 | ||||
| Tot: | Minors (2 yrs) | Minors | 3 | 3 | 4.50 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | 52.0 | 42 | 27 | 26 | 5 | 15 | 29 | 5 | 0 | 1 | 1.10 | 7.27 | 0.87 | 2.60 | 5.02 | 4.67 | 1.93 | ||||
| Tot: | Rk (1 yrs) | Rk | 0 | 1 | 5.40 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 5 | 3 | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 1.20 | 9.00 | 0.00 | 1.80 | 3.60 | 5.40 | 2.00 | ||||
| Tot: | A+ (2 yrs) | A+ | 2 | 0 | 0.84 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21.1 | 9 | 3 | 2 | 0 | 4 | 13 | 2 | 0 | 0 | 0.61 | 3.80 | 0.00 | 1.69 | 5.48 | 1.27 | 3.25 | ||||
| Tot: | AA (1 yrs) | AA | 0 | 0 | 7.20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 9 | 4 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 2.00 | 16.20 | 1.80 | 1.80 | 1.80 | 7.20 | 1.00 | ||||
| Tot: | AAA (1 yrs) | AAA | 1 | 2 | 7.40 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 20.2 | 19 | 17 | 17 | 4 | 9 | 13 | 3 | 0 | 1 | 1.35 | 8.27 | 1.74 | 3.92 | 5.66 | 7.40 | 1.44 | ||||
| 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 | 25 | 0 | 0 | 19.29 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 9 | 0 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 4.71 | 34.71 | 0.00 | 7.71 | 0.00 | 0.00 | 0.00 |
| 1977 | Kansas City Royals | Championship Series | Playoffs | 26 | 1 | 1 | 3.00 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 9.0 | 5 | 0 | 3 | 0 | 2 | 4 | 0 | 0 | 0 | 0.78 | 5.00 | 0.00 | 2.00 | 4.00 | 0.00 | 2.00 |
| 1978 | Kansas City Royals | Championship Series | Playoffs | 27 | 0 | 2 | 3.75 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 12.0 | 13 | 0 | 5 | 0 | 2 | 11 | 0 | 0 | 0 | 1.25 | 9.75 | 0.00 | 1.50 | 8.25 | 0.00 | 5.50 |
| 1980 | Kansas City Royals | Championship Series | Playoffs | 29 | 1 | 0 | 2.25 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 7 | 0 | 2 | 0 | 1 | 8 | 0 | 0 | 0 | 1.00 | 7.88 | 0.00 | 1.13 | 9.00 | 0.00 | 8.00 |
| 1980 | Kansas City Royals | World Series | Playoffs | 29 | 1 | 1 | 6.75 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 10.2 | 15 | 0 | 8 | 0 | 2 | 5 | 0 | 0 | 0 | 1.59 | 12.66 | 0.00 | 1.69 | 4.22 | 0.00 | 2.50 |
| 1981 | Kansas City Royals | Division Series | Playoffs | 30 | 0 | 1 | 1.13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 7 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 1.00 | 7.88 | 0.00 | 1.13 | 3.38 | 0.00 | 3.00 |
| Tot: | Playoffs (5 Yrs) | Playoffs | 3 | 5 | 4.32 | 10 | 0 | 2 | 0 | 0 | 10 | 0 | 50.0 | 56 | 0 | 24 | 0 | 10 | 31 | 0 | 0 | 0 | 1.32 | 10.08 | 0.00 | 1.80 | 5.58 | 0.00 | 3.10 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 50 | 73 | 52 | 71 | 52 | 65 | .531 |