| 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 |
| 1967 | Pittsburgh Pirates | NL | MLB | PIT | 19 | 26 | 2 | 1 | 1.88 | 8 | 2 | 1 | 0 | 6 | 2 | 0 | 24.0 | 19 | 5 | 5 | 1 | 10 | 13 | 0 | 0 | 1 | 1.21 | 7.13 | 0.38 | 3.75 | 4.88 | 1.88 | 1.30 |
| 1968 | Pittsburgh Pirates | NL | MLB | PIT | 43 | 27 | 1 | 1 | 2.12 | 7 | 0 | 0 | 0 | 7 | 5 | 2 | 17.0 | 7 | 4 | 4 | 0 | 6 | 8 | 0 | 0 | 2 | 0.76 | 3.71 | 0.00 | 3.18 | 4.24 | 2.12 | 1.33 |
| 1969 | Pittsburgh Pirates | NL | MLB | PIT | 43 | 28 | 8 | 2 | 3.34 | 57 | 0 | 0 | 0 | 57 | 19 | 5 | 86.1 | 79 | 34 | 32 | 3 | 49 | 56 | 2 | 1 | 0 | 1.48 | 8.24 | 0.31 | 5.11 | 5.84 | 3.54 | 1.14 |
| 1970 | Pittsburgh Pirates | NL | MLB | PIT | 27 | 29 | 9 | 4 | 4.57 | 41 | 6 | 1 | 0 | 35 | 14 | 1 | 84.2 | 94 | 48 | 43 | 7 | 39 | 53 | 1 | 0 | 1 | 1.57 | 9.99 | 0.74 | 4.15 | 5.63 | 5.10 | 1.36 |
| 1971 | Kansas City Royals | AL | MLB | KCA | 43 | 30 | 8 | 6 | 3.44 | 25 | 22 | 2 | 0 | 3 | 1 | 0 | 141.1 | 144 | 63 | 54 | 8 | 44 | 58 | 3 | 0 | 0 | 1.33 | 9.17 | 0.51 | 2.80 | 3.69 | 4.01 | 1.32 |
| 1972 | Kansas City Royals | AL | MLB | KCA | 43 | 31 | 6 | 6 | 3.40 | 35 | 16 | 1 | 0 | 19 | 8 | 2 | 132.1 | 135 | 54 | 50 | 7 | 29 | 75 | 5 | 2 | 1 | 1.24 | 9.18 | 0.48 | 1.97 | 5.10 | 3.67 | 2.59 |
| 1973 | Kansas City Royals | AL | MLB | KCA | 43 | 32 | 4 | 3 | 4.81 | 32 | 3 | 1 | 0 | 29 | 16 | 3 | 97.1 | 108 | 60 | 52 | 8 | 46 | 38 | 5 | 1 | 4 | 1.58 | 9.99 | 0.74 | 4.25 | 3.51 | 5.55 | 0.83 |
| 1974 | Kansas City Royals | AL | MLB | KCA | 43 | 33 | 8 | 10 | 3.13 | 31 | 22 | 9 | 2 | 9 | 4 | 0 | 175.1 | 135 | 71 | 61 | 5 | 82 | 96 | 16 | 0 | 5 | 1.24 | 6.93 | 0.26 | 4.21 | 4.93 | 3.64 | 1.17 |
| 1975 | Kansas City Royals | AL | MLB | KCA | 43 | 34 | 0 | 2 | 15.58 | 4 | 2 | 0 | 0 | 2 | 1 | 0 | 8.2 | 23 | 18 | 15 | 0 | 7 | 5 | 1 | 0 | 1 | 3.46 | 23.88 | 0.00 | 7.27 | 5.19 | 18.69 | 0.71 |
| 1975 | Atlanta Braves | NL | MLB | ATL | 30 | 34 | 2 | 7 | 3.36 | 26 | 9 | 0 | 0 | 17 | 11 | 3 | 67.0 | 63 | 33 | 25 | 2 | 24 | 38 | 4 | 0 | 6 | 1.30 | 8.46 | 0.27 | 3.22 | 5.10 | 4.43 | 1.58 |
| 1976 | Atlanta Braves | NL | MLB | ATL | 30 | 35 | 3 | 5 | 3.56 | 42 | 1 | 0 | 0 | 41 | 16 | 1 | 73.1 | 67 | 41 | 29 | 6 | 42 | 36 | 8 | 1 | 2 | 1.49 | 8.22 | 0.74 | 5.15 | 4.42 | 5.03 | 0.86 |
| 1977 | Chicago White Sox | AL | MLB | CHA | 43 | 36 | 0 | 2 | 3.75 | 8 | 0 | 0 | 0 | 8 | 5 | 2 | 24.0 | 20 | 11 | 10 | 1 | 13 | 9 | 1 | 0 | 0 | 1.38 | 7.50 | 0.38 | 4.88 | 3.38 | 4.13 | 0.69 |
| 1978 | Iowa Oaks | Amer | AAA | CHA | - | 37 | 0 | 0 | 8.10 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 10.0 | 9 | 11 | 9 | 2 | 11 | 11 | 2 | 0 | 1 | 2.00 | 8.10 | 1.80 | 9.90 | 9.90 | 9.90 | 1.00 |
| Tot: | MLB (11 yrs) | MLB | 51 | 49 | 3.67 | 316 | 83 | 15 | 2 | 102 | 233 | 19 | 931.1 | 894 | 442 | 380 | 48 | 391 | 485 | 46 | 5 | 23 | 1.38 | 8.64 | 0.46 | 3.78 | 4.69 | 4.27 | 1.24 | ||||
| Tot: | AL (6 yrs) | AL | 26 | 29 | 3.76 | 135 | 65 | 13 | 2 | 35 | 70 | 7 | 579.0 | 565 | 277 | 242 | 29 | 221 | 281 | 31 | 3 | 11 | 1.36 | 8.78 | 0.45 | 3.44 | 4.37 | 4.31 | 1.27 | ||||
| Tot: | NL (6 yrs) | NL | 25 | 20 | 3.53 | 181 | 18 | 2 | 0 | 67 | 163 | 12 | 352.1 | 329 | 165 | 138 | 19 | 170 | 204 | 15 | 2 | 12 | 1.42 | 8.40 | 0.49 | 4.34 | 5.21 | 4.21 | 1.20 | ||||
| Tot: | Minors (1 yrs) | Minors | 0 | 0 | 8.10 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 10.0 | 9 | 11 | 9 | 2 | 11 | 11 | 2 | 0 | 1 | 2.00 | 8.10 | 1.80 | 9.90 | 9.90 | 9.90 | 1.00 | ||||
| Tot: | AAA (1 yrs) | AAA | 0 | 0 | 8.10 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 10.0 | 9 | 11 | 9 | 2 | 11 | 11 | 2 | 0 | 1 | 2.00 | 8.10 | 1.80 | 9.90 | 9.90 | 9.90 | 1.00 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1967 | Pittsburgh Pirates | NL | MLB | PIT | 19 | 26 | P | 8 | 6 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 2 | .333 | .429 | .333 | .762 | .000 | .000 | .667 | 0.00 | 42.86 | 0.00 | 0.00 | |
| 1968 | Pittsburgh Pirates | NL | MLB | PIT | 43 | 27 | P | 7 | 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 | |
| 1969 | Pittsburgh Pirates | NL | MLB | PIT | 43 | 28 | P | 57 | 10 | 2 | 3 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 5 | 12 | 1 | 2 | .300 | .417 | .500 | .917 | .400 | .200 | .429 | 16.67 | 25.00 | 1.50 | 0.00 | |
| 1970 | Pittsburgh Pirates | NL | MLB | PIT | 27 | 29 | P | 41 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 1 | 1 | 0 | 0 | 1 | 0 | 20 | 0 | 0 | .000 | .158 | .000 | .158 | .125 | .000 | .000 | 10.00 | 45.00 | 4.50 | 0.00 | |
| 1971 | Kansas City Royals | AL | MLB | KCA | 43 | 30 | P | 25 | 46 | 4 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 19 | 0 | 6 | 0 | 0 | 0 | 4 | 53 | 0 | 4 | .087 | .106 | .087 | .193 | .022 | .000 | .148 | 1.89 | 35.85 | 19.00 | 0.00 | |
| 1972 | Kansas City Royals | AL | MLB | KCA | 43 | 31 | P | 35 | 41 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 0 | 5 | 0 | 0 | 1 | 5 | 47 | 1 | 3 | .098 | .119 | .122 | .241 | .049 | .024 | .148 | 2.13 | 29.79 | 14.00 | 0.00 | |
| 1975 | Atlanta Braves | NL | MLB | ATL | 30 | 34 | P | 26 | 19 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 2 | 19 | 0 | 2 | .105 | .105 | .105 | .210 | .000 | .000 | .182 | 0.00 | 42.11 | 0.00 | 0.00 | |
| 1976 | Atlanta Braves | NL | MLB | ATL | 30 | 35 | P | 42 | 9 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 11 | 0 | 2 | .222 | .300 | .222 | .522 | .111 | .000 | .286 | 9.09 | 18.18 | 2.00 | 0.00 | |
| Tot: | MLB (8 yrs) | MLB | 241 | 150 | 11 | 17 | 1 | 1 | 0 | 5 | 0 | 0 | 7 | 59 | 2 | 14 | 0 | 0 | 2 | 20 | 173 | 2 | 15 | .113 | .164 | .133 | .297 | .067 | .020 | .187 | 4.05 | 34.10 | 8.43 | |||||||
| Tot: | AL (2 yrs) | AL | 60 | 87 | 7 | 8 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 33 | 0 | 11 | 0 | 0 | 1 | 9 | 100 | 1 | 7 | .092 | .112 | .103 | .216 | .034 | .011 | .148 | 2.00 | 33.00 | 16.50 | |||||||
| Tot: | NL (6 yrs) | NL | 181 | 63 | 4 | 9 | 0 | 1 | 0 | 3 | 0 | 0 | 5 | 26 | 2 | 3 | 0 | 0 | 1 | 11 | 73 | 1 | 8 | .143 | .229 | .175 | .403 | .111 | .032 | .243 | 6.85 | 35.62 | 5.20 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 35 | 38 | 56 | 31 | 56 | 55 | .506 |