| 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 | USC | Pac8 | NCAA-1 | Sr | 21 | 11 | 2 | 2.28 | 23 | 0 | 9 | 0 | 0 | 0 | 0 | 130.0 | 99 | 41 | 33 | 0 | 50 | 106 | 0 | 0 | 0 | 1.15 | 6.85 | 0.00 | 3.46 | 7.34 | 2.84 | 2.12 | |
| 1972 | Kansas City Royals | AL | MLB | KCA | 40 | 22 | 3 | 1 | 1.58 | 5 | 5 | 3 | 0 | 0 | 0 | 0 | 40.0 | 28 | 9 | 7 | 1 | 8 | 31 | 0 | 0 | 0 | 0.90 | 6.30 | 0.23 | 1.80 | 6.98 | 2.03 | 3.88 |
| 1973 | Kansas City Royals | AL | MLB | KCA | 40 | 23 | 16 | 15 | 4.23 | 37 | 37 | 7 | 1 | 0 | 0 | 0 | 238.1 | 246 | 125 | 112 | 18 | 105 | 174 | 9 | 0 | 6 | 1.47 | 9.29 | 0.68 | 3.97 | 6.57 | 4.72 | 1.66 |
| 1974 | Kansas City Royals | AL | MLB | KCA | 40 | 24 | 22 | 14 | 3.39 | 38 | 38 | 20 | 3 | 0 | 0 | 0 | 292.1 | 284 | 118 | 110 | 14 | 92 | 198 | 5 | 2 | 9 | 1.29 | 8.74 | 0.43 | 2.83 | 6.10 | 3.63 | 2.15 |
| 1975 | Kansas City Royals | AL | MLB | KCA | 40 | 25 | 18 | 12 | 3.08 | 34 | 34 | 18 | 3 | 0 | 0 | 0 | 260.1 | 233 | 96 | 89 | 18 | 81 | 160 | 8 | 0 | 3 | 1.21 | 8.06 | 0.62 | 2.80 | 5.53 | 3.32 | 1.98 |
| 1976 | Kansas City Royals | AL | MLB | KCA | 40 | 26 | 3 | 3 | 4.40 | 13 | 13 | 1 | 0 | 0 | 0 | 0 | 71.2 | 58 | 42 | 35 | 7 | 49 | 29 | 1 | 0 | 3 | 1.49 | 7.28 | 0.88 | 6.15 | 3.64 | 5.27 | 0.59 |
| 1977 | Daytona Islanders | FSL | A+ | KCA | - | 27 | 0 | 1 | 15.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.0 | 11 | 5 | 5 | 0 | 1 | 2 | 0 | 0 | 0 | 4.00 | 33.00 | 0.00 | 3.00 | 6.00 | 15.00 | 2.00 |
| 1978 | Gulf Coast Royals | GCL | Rk | KCA | - | 28 | 1 | 0 | 0.00 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 13.0 | 7 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 1 | 0.54 | 4.85 | 0.00 | 0.00 | 6.23 | 0.00 | 0.00 |
| 1978 | Omaha Royals | Amer | AAA | KCA | - | 28 | 3 | 7 | 5.45 | 12 | 12 | 2 | 0 | 0 | 0 | 0 | 66.0 | 78 | 47 | 40 | 7 | 32 | 32 | 3 | 1 | 1 | 1.67 | 10.64 | 0.95 | 4.36 | 4.36 | 6.41 | 1.00 |
| 1978 | Kansas City Royals | AL | MLB | KCA | 40 | 28 | 1 | 0 | 7.59 | 7 | 5 | 0 | 0 | 2 | 1 | 0 | 21.1 | 24 | 18 | 18 | 2 | 15 | 10 | 0 | 1 | 2 | 1.83 | 10.13 | 0.84 | 6.33 | 4.22 | 7.59 | 0.67 |
| 1979 | Kansas City Royals | AL | MLB | KCA | 40 | 29 | 6 | 6 | 3.63 | 22 | 12 | 4 | 0 | 10 | 5 | 0 | 94.1 | 71 | 45 | 38 | 10 | 64 | 45 | 1 | 0 | 0 | 1.43 | 6.77 | 0.95 | 6.11 | 4.29 | 4.29 | 0.70 |
| 1980 | Omaha Royals | Amer | AAA | KCA | - | 30 | 3 | 2 | 2.48 | 8 | 8 | 2 | 1 | 0 | 0 | 0 | 58.0 | 45 | 19 | 16 | 4 | 28 | 29 | 5 | 0 | 3 | 1.26 | 6.98 | 0.62 | 4.34 | 4.50 | 2.95 | 1.04 |
| 1980 | Kansas City Royals | AL | MLB | KCA | 40 | 30 | 1 | 3 | 6.17 | 11 | 6 | 0 | 0 | 5 | 2 | 0 | 42.1 | 59 | 30 | 29 | 3 | 19 | 12 | 4 | 0 | 2 | 1.84 | 12.54 | 0.64 | 4.04 | 2.55 | 6.38 | 0.63 |
| Tot: | MLB (8 yrs) | MLB | 70 | 54 | 3.72 | 167 | 150 | 53 | 7 | 8 | 17 | 0 | 1060.2 | 1003 | 483 | 438 | 73 | 433 | 659 | 28 | 3 | 25 | 1.35 | 8.51 | 0.62 | 3.67 | 5.59 | 4.10 | 1.52 | ||||
| Tot: | AL (8 yrs) | AL | 70 | 54 | 3.72 | 167 | 150 | 53 | 7 | 8 | 17 | 0 | 1060.2 | 1003 | 483 | 438 | 73 | 433 | 659 | 28 | 3 | 25 | 1.35 | 8.51 | 0.62 | 3.67 | 5.59 | 4.10 | 1.52 | ||||
| Tot: | Minors (3 yrs) | Minors | 7 | 10 | 3.92 | 23 | 23 | 4 | 1 | 0 | 0 | 0 | 140.0 | 141 | 71 | 61 | 11 | 61 | 72 | 8 | 1 | 5 | 1.44 | 9.06 | 0.71 | 3.92 | 4.63 | 4.56 | 1.18 | ||||
| Tot: | Rk (1 yrs) | Rk | 1 | 0 | 0.00 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 13.0 | 7 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 1 | 0.54 | 4.85 | 0.00 | 0.00 | 6.23 | 0.00 | |||||
| Tot: | A+ (1 yrs) | A+ | 0 | 1 | 15.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.0 | 11 | 5 | 5 | 0 | 1 | 2 | 0 | 0 | 0 | 4.00 | 33.00 | 0.00 | 3.00 | 6.00 | 15.00 | 2.00 | ||||
| Tot: | AAA (2 yrs) | AAA | 6 | 9 | 4.06 | 20 | 20 | 4 | 1 | 0 | 0 | 0 | 124.0 | 123 | 66 | 56 | 11 | 60 | 61 | 8 | 1 | 4 | 1.48 | 8.93 | 0.80 | 4.35 | 4.43 | 4.79 | 1.02 | ||||
| Tot: | College (1 yrs) | College | 11 | 2 | 2.28 | 23 | 0 | 9 | 0 | 0 | 23 | 0 | 130.0 | 99 | 41 | 33 | 0 | 50 | 106 | 0 | 0 | 0 | 1.15 | 6.85 | 0.00 | 3.46 | 7.34 | 2.84 | 2.12 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 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 |
| 1975 | American League | Major League Baseball | AllStar | 25 | 0 | 0 | 4.50 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2.00 | 18.00 | 0.00 | 0.00 | 0.00 | 4.50 | 0.00 |
| Tot: | AllStar (1 Yrs) | AllStar | 0 | 0 | 4.50 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2.0 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2.00 | 18.00 | 0.00 | 0.00 | 0.00 | 4.50 |
| 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 | Kansas City Royals | AL | MLB | KCA | 40 | 22 | P | 5 | 15 | 0 | 3 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 15 | 1 | 2 | .200 | .200 | .267 | .467 | .067 | .067 | .250 | 0.00 | 20.00 | 0.00 | 0.00 | |
| Tot: | MLB (1 yrs) | MLB | 5 | 15 | 0 | 3 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 15 | 1 | 2 | .200 | .200 | .267 | .467 | .067 | .067 | .250 | 0.00 | 20.00 | ||||||||
| Tot: | AL (1 yrs) | AL | 5 | 15 | 0 | 3 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 15 | 1 | 2 | .200 | .200 | .267 | .467 | .067 | .067 | .250 | 0.00 | 20.00 | ||||||||
| Tot: | Minors (1 yrs) | Minors | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | A+ (1 yrs) | A+ | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | 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 |
| 1975 | American League | Major League Baseball | AllStar | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | AllStar (1 Yrs) | AllStar | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 46 | 45 | 59 | 44 | 59 | 52 | .535 |