| 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 |
| 1964 | Houston Colt 45s | NL | MLB | HOU | 49 | 17 | 0 | 1 | 2.00 | 3 | 1 | 0 | 0 | 2 | 2 | 0 | 9.0 | 7 | 4 | 2 | 1 | 3 | 5 | 2 | 0 | 0 | 1.11 | 7.00 | 1.00 | 3.00 | 5.00 | 4.00 | 1.67 |
| 1965 | Houston Astros | NL | MLB | HOU | 49 | 18 | 7 | 8 | 3.50 | 26 | 19 | 1 | 0 | 7 | 2 | 0 | 146.2 | 135 | 69 | 57 | 16 | 37 | 109 | 8 | 2 | 3 | 1.17 | 8.28 | 0.98 | 2.27 | 6.69 | 4.23 | 2.95 |
| 1966 | Houston Astros | NL | MLB | HOU | 49 | 19 | 10 | 8 | 3.18 | 29 | 28 | 8 | 2 | 1 | 0 | 0 | 187.0 | 173 | 73 | 66 | 17 | 45 | 108 | 4 | 0 | 1 | 1.17 | 8.33 | 0.82 | 2.17 | 5.20 | 3.51 | 2.40 |
| 1967 | Houston Astros | NL | MLB | HOU | 49 | 20 | 6 | 5 | 3.36 | 15 | 15 | 4 | 0 | 0 | 0 | 0 | 99.0 | 95 | 44 | 37 | 4 | 25 | 68 | 7 | 0 | 1 | 1.21 | 8.64 | 0.36 | 2.27 | 6.18 | 4.00 | 2.72 |
| 1968 | Houston Astros | NL | MLB | HOU | 49 | 21 | 12 | 15 | 3.31 | 32 | 32 | 10 | 1 | 0 | 0 | 0 | 233.2 | 206 | 95 | 86 | 14 | 89 | 161 | 20 | 0 | 8 | 1.26 | 7.93 | 0.54 | 3.43 | 6.20 | 3.66 | 1.81 |
| 1969 | Houston Astros | NL | MLB | HOU | 49 | 22 | 20 | 13 | 2.33 | 39 | 37 | 20 | 4 | 2 | 0 | 0 | 305.1 | 240 | 97 | 79 | 18 | 72 | 232 | 9 | 0 | 1 | 1.02 | 7.07 | 0.53 | 2.12 | 6.84 | 2.86 | 3.22 |
| 1970 | Houston Astros | NL | MLB | HOU | 49 | 23 | 16 | 12 | 3.87 | 37 | 36 | 17 | 2 | 1 | 1 | 1 | 269.2 | 263 | 124 | 116 | 31 | 82 | 191 | 8 | 0 | 6 | 1.28 | 8.78 | 1.03 | 2.74 | 6.37 | 4.14 | 2.33 |
| 1971 | Houston Astros | NL | MLB | HOU | 49 | 24 | 12 | 6 | 2.72 | 24 | 23 | 6 | 2 | 1 | 0 | 0 | 159.0 | 150 | 50 | 48 | 8 | 33 | 91 | 6 | 0 | 2 | 1.15 | 8.49 | 0.45 | 1.87 | 5.15 | 2.83 | 2.76 |
| 1972 | Houston Astros | NL | MLB | HOU | 49 | 25 | 15 | 8 | 3.40 | 31 | 31 | 12 | 5 | 0 | 0 | 0 | 214.2 | 209 | 87 | 81 | 14 | 51 | 115 | 3 | 1 | 5 | 1.21 | 8.76 | 0.59 | 2.14 | 4.82 | 3.65 | 2.25 |
| 1973 | Houston Astros | NL | MLB | HOU | 49 | 26 | 1 | 1 | 4.33 | 14 | 3 | 0 | 0 | 11 | 4 | 0 | 27.0 | 27 | 14 | 13 | 3 | 13 | 18 | 2 | 0 | 2 | 1.48 | 9.00 | 1.00 | 4.33 | 6.00 | 4.67 | 1.38 |
| 1974 | Houston Astros | NL | MLB | HOU | 49 | 27 | 11 | 10 | 2.90 | 33 | 33 | 7 | 3 | 0 | 0 | 0 | 223.2 | 189 | 76 | 72 | 18 | 82 | 150 | 8 | 3 | 6 | 1.21 | 7.61 | 0.72 | 3.30 | 6.04 | 3.06 | 1.83 |
| 1975 | Houston Astros | NL | MLB | HOU | 49 | 28 | 14 | 16 | 4.00 | 34 | 34 | 14 | 2 | 0 | 0 | 0 | 232.0 | 225 | 109 | 103 | 24 | 91 | 127 | 13 | 1 | 7 | 1.36 | 8.73 | 0.93 | 3.53 | 4.93 | 4.23 | 1.40 |
| 1976 | Houston Astros | NL | MLB | HOU | 49 | 29 | 13 | 14 | 3.69 | 28 | 28 | 7 | 4 | 0 | 0 | 0 | 187.2 | 171 | 85 | 77 | 9 | 72 | 112 | 12 | 2 | 6 | 1.29 | 8.20 | 0.43 | 3.45 | 5.37 | 4.08 | 1.56 |
| 1977 | St. Louis Cardinals | NL | MLB | SLN | 49 | 30 | 2 | 6 | 4.58 | 11 | 9 | 0 | 0 | 2 | 1 | 0 | 39.1 | 40 | 21 | 20 | 7 | 16 | 6 | 2 | 1 | 2 | 1.42 | 9.15 | 1.60 | 3.66 | 1.37 | 4.81 | 0.38 |
| Tot: | MLB (14 yrs) | MLB | 139 | 123 | 3.31 | 356 | 329 | 106 | 25 | 10 | 27 | 1 | 2333.2 | 2130 | 948 | 857 | 184 | 711 | 1493 | 104 | 10 | 50 | 1.22 | 8.21 | 0.71 | 2.74 | 5.76 | 3.66 | 2.10 | ||||
| Tot: | NL (14 yrs) | NL | 139 | 123 | 3.31 | 356 | 329 | 106 | 25 | 10 | 27 | 1 | 2333.2 | 2130 | 948 | 857 | 184 | 711 | 1493 | 104 | 10 | 50 | 1.22 | 8.21 | 0.71 | 2.74 | 5.76 | 3.66 | 2.10 | ||||
| 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 |
| 1969 | National League | Major League Baseball | AllStar | 22 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 | 27.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | AllStar (1 Yrs) | AllStar | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 | 27.00 | 0.00 | 0.00 | 0.00 | 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 |
| 1964 | Houston Colt 45s | NL | MLB | HOU | 49 | 17 | P | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | |
| 1965 | Houston Astros | NL | MLB | HOU | 49 | 18 | P | 26 | 50 | 3 | 5 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 15 | 0 | 4 | 0 | 0 | 1 | 8 | 55 | 1 | 4 | .100 | .118 | .160 | .278 | .080 | .060 | .118 | 1.82 | 27.27 | 15.00 | 50.00 | |
| 1966 | Houston Astros | NL | MLB | HOU | 49 | 19 | P | 29 | 67 | 6 | 10 | 2 | 0 | 1 | 4 | 0 | 0 | 2 | 21 | 0 | 2 | 0 | 0 | 3 | 15 | 71 | 3 | 7 | .149 | .174 | .224 | .398 | .104 | .075 | .200 | 2.82 | 29.58 | 10.50 | 67.00 | |
| 1967 | Houston Astros | NL | MLB | HOU | 49 | 20 | P | 15 | 31 | 2 | 7 | 3 | 0 | 0 | 4 | 0 | 0 | 1 | 11 | 0 | 1 | 1 | 0 | 0 | 10 | 34 | 3 | 4 | .226 | .242 | .323 | .565 | .129 | .097 | .333 | 2.94 | 32.35 | 11.00 | 0.00 | |
| 1968 | Houston Astros | NL | MLB | HOU | 49 | 21 | P | 33 | 73 | 2 | 5 | 1 | 0 | 0 | 3 | 0 | 0 | 2 | 35 | 0 | 9 | 0 | 0 | 2 | 6 | 84 | 1 | 4 | .068 | .093 | .082 | .175 | .041 | .014 | .132 | 2.38 | 41.67 | 17.50 | 0.00 | |
| 1969 | Houston Astros | NL | MLB | HOU | 49 | 22 | P | 51* | 39 | 118 | 7 | 17 | 2 | 0 | 1 | 7 | 0 | 0 | 2 | 38 | 0 | 7 | 0 | 0 | 3 | 22 | 127 | 3 | 14 | .144 | .158 | .186 | .344 | .059 | .042 | .203 | 1.57 | 29.92 | 19.00 | 118.00 |
| 1970 | Houston Astros | NL | MLB | HOU | 49 | 23 | P | 37 | 92 | 7 | 16 | 2 | 0 | 0 | 4 | 0 | 0 | 1 | 37 | 0 | 9 | 1 | 0 | 2 | 18 | 103 | 2 | 14 | .174 | .181 | .196 | .377 | .033 | .022 | .286 | 0.97 | 35.92 | 37.00 | 0.00 | |
| 1971 | Houston Astros | NL | MLB | HOU | 49 | 24 | P | 24 | 54 | 4 | 4 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 16 | 0 | 3 | 0 | 0 | 3 | 5 | 58 | 1 | 3 | .074 | .091 | .093 | .184 | .037 | .019 | .105 | 1.72 | 27.59 | 16.00 | 0.00 | |
| 1972 | Houston Astros | NL | MLB | HOU | 49 | 25 | P | 31 | 78 | 2 | 13 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 24 | 1 | 6 | 0 | 0 | 0 | 13 | 86 | 0 | 13 | .167 | .188 | .167 | .355 | .013 | .000 | .241 | 1.16 | 27.91 | 24.00 | 0.00 | |
| 1973 | Houston Astros | NL | MLB | HOU | 49 | 26 | P | 14 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 25.00 | 0.00 | 0.00 | |
| 1974 | Houston Astros | NL | MLB | HOU | 49 | 27 | P | 33 | 71 | 2 | 14 | 3 | 0 | 0 | 7 | 0 | 0 | 1 | 27 | 0 | 11 | 0 | 0 | 0 | 17 | 83 | 3 | 11 | .197 | .208 | .239 | .447 | .056 | .042 | .318 | 1.20 | 32.53 | 27.00 | 0.00 | |
| 1975 | Houston Astros | NL | MLB | HOU | 49 | 28 | P | 34 | 76 | 0 | 7 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 21 | 0 | 13 | 0 | 0 | 1 | 7 | 89 | 0 | 7 | .092 | .092 | .092 | .184 | .000 | .000 | .127 | 0.00 | 23.60 | 0.00 | 0.00 | |
| 1976 | Houston Astros | NL | MLB | HOU | 49 | 29 | P | 28 | 64 | 3 | 9 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 20 | 0 | 3 | 2 | 0 | 1 | 12 | 69 | 1 | 8 | .141 | .136 | .188 | .324 | .047 | .047 | .178 | 0.00 | 28.99 | 0.00 | 64.00 | |
| 1977 | St. Louis Cardinals | NL | MLB | SLN | 49 | 30 | P | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 40.00 | 0.00 | 0.00 | |
| Tot: | MLB (14 yrs) | MLB | 357 | 789 | 38 | 107 | 14 | 0 | 4 | 46 | 0 | 0 | 12 | 272 | 1 | 70 | 4 | 0 | 16 | 133 | 876 | 18 | 89 | .136 | .149 | .169 | .317 | .048 | .033 | .199 | 1.37 | 31.05 | 22.67 | 197.25 | ||||||
| Tot: | NL (14 yrs) | NL | 357 | 789 | 38 | 107 | 14 | 0 | 4 | 46 | 0 | 0 | 12 | 272 | 1 | 70 | 4 | 0 | 16 | 133 | 876 | 18 | 89 | .136 | .149 | .169 | .317 | .048 | .033 | .199 | 1.37 | 31.05 | 22.67 | 197.25 | ||||||
| Avg: | MLB - 162 game avg | MLB | 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 |
| 1969 | National League | Major League Baseball | AllStar | 22 | 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 |
| 58 | 66 | 56 | 68 | 56 | 72 | .468 |