| 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 |
| 1962 | Milwaukee Braves | NL | MLB | MLN | 23 | 23 | 3 | 4 | 3.01 | 17 | 12 | 4 | 1 | 5 | 3 | 0 | 86.2 | 75 | 36 | 29 | 11 | 32 | 69 | 5 | 0 | 3 | 1.23 | 7.79 | 1.14 | 3.32 | 7.17 | 3.74 | 2.16 |
| 1963 | Milwaukee Braves | NL | MLB | MLN | 23 | 24 | 11 | 14 | 3.04 | 46 | 31 | 10 | 1 | 15 | 3 | 1 | 237.0 | 199 | 87 | 80 | 30 | 85 | 190 | 13 | 3 | 1 | 1.20 | 7.56 | 1.14 | 3.23 | 7.22 | 3.30 | 2.24 |
| 1964 | Milwaukee Braves | NL | MLB | MLN | 23 | 25 | 17 | 11 | 4.15 | 39 | 35 | 9 | 3 | 4 | 3 | 1 | 221.0 | 216 | 112 | 102 | 27 | 75 | 185 | 20 | 0 | 4 | 1.32 | 8.80 | 1.10 | 3.05 | 7.53 | 4.56 | 2.47 |
| 1965 | Milwaukee Braves | NL | MLB | MLN | 23 | 26 | 7 | 13 | 4.43 | 32 | 23 | 4 | 1 | 9 | 2 | 0 | 146.1 | 140 | 75 | 72 | 12 | 58 | 111 | 4 | 0 | 3 | 1.35 | 8.61 | 0.74 | 3.57 | 6.83 | 4.61 | 1.91 |
| 1966 | Atlanta Braves | NL | MLB | ATL | 23 | 27 | 11 | 8 | 3.74 | 27 | 27 | 10 | 3 | 0 | 0 | 0 | 171.0 | 170 | 78 | 71 | 25 | 41 | 139 | 6 | 0 | 1 | 1.23 | 8.95 | 1.32 | 2.16 | 7.32 | 4.11 | 3.39 |
| 1967 | Atlanta Braves | NL | MLB | ATL | 23 | 28 | 9 | 9 | 3.34 | 31 | 31 | 8 | 2 | 0 | 0 | 0 | 215.1 | 184 | 86 | 80 | 20 | 72 | 148 | 6 | 0 | 3 | 1.19 | 7.69 | 0.84 | 3.01 | 6.19 | 3.59 | 2.06 |
| 1968 | Houston Astros | NL | MLB | HOU | 23 | 29 | 10 | 15 | 2.81 | 33 | 32 | 7 | 2 | 1 | 0 | 0 | 224.0 | 231 | 79 | 70 | 11 | 72 | 146 | 7 | 2 | 4 | 1.35 | 9.28 | 0.44 | 2.89 | 5.87 | 3.17 | 2.03 |
| 1969 | Houston Astros | NL | MLB | HOU | 23 | 30 | 13 | 17 | 3.16 | 38 | 37 | 11 | 1 | 1 | 1 | 1 | 244.2 | 232 | 97 | 86 | 20 | 72 | 173 | 8 | 1 | 1 | 1.24 | 8.53 | 0.74 | 2.65 | 6.36 | 3.57 | 2.40 |
| 1970 | Houston Astros | NL | MLB | HOU | 23 | 31 | 7 | 12 | 4.56 | 39 | 21 | 3 | 0 | 18 | 8 | 3 | 162.0 | 169 | 88 | 82 | 22 | 65 | 103 | 12 | 0 | 2 | 1.44 | 9.39 | 1.22 | 3.61 | 5.72 | 4.89 | 1.58 |
| 1971 | Houston Astros | NL | MLB | HOU | 23 | 32 | 0 | 2 | 3.45 | 42 | 0 | 0 | 0 | 42 | 17 | 2 | 60.0 | 59 | 23 | 23 | 4 | 22 | 28 | 7 | 0 | 1 | 1.35 | 8.85 | 0.60 | 3.30 | 4.20 | 3.45 | 1.27 |
| 1972 | Montreal Expos | NL | MLB | MON | 23 | 33 | 2 | 0 | 7.78 | 13 | 0 | 0 | 0 | 13 | 4 | 0 | 19.2 | 28 | 17 | 17 | 2 | 6 | 13 | 0 | 0 | 1 | 1.73 | 12.81 | 0.92 | 2.75 | 5.95 | 7.78 | 2.17 |
| Tot: | MLB (11 yrs) | MLB | 90 | 105 | 3.58 | 357 | 249 | 66 | 14 | 41 | 108 | 8 | 1787.2 | 1703 | 778 | 712 | 184 | 600 | 1305 | 88 | 6 | 24 | 1.29 | 8.57 | 0.93 | 3.02 | 6.57 | 3.92 | 2.18 | ||||
| Tot: | NL (11 yrs) | NL | 90 | 105 | 3.58 | 357 | 249 | 66 | 14 | 41 | 108 | 8 | 1787.2 | 1703 | 778 | 712 | 184 | 600 | 1305 | 88 | 6 | 24 | 1.29 | 8.57 | 0.93 | 3.02 | 6.57 | 3.92 | 2.18 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1962 | Milwaukee Braves | NL | MLB | MLN | 23 | 23 | P | 17 | 33 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 20 | 0 | 2 | 0 | 0 | 0 | 4 | 36 | 0 | 4 | .121 | .147 | .121 | .268 | .030 | .000 | .308 | 2.78 | 55.56 | 20.00 | 0.00 | |
| 1963 | Milwaukee Braves | NL | MLB | MLN | 23 | 24 | P | 46 | 74 | 5 | 14 | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 19 | 0 | 6 | 0 | 0 | 1 | 21 | 80 | 3 | 11 | .189 | .189 | .284 | .473 | .095 | .095 | .226 | 0.00 | 23.75 | 0.00 | 37.00 | |
| 1964 | Milwaukee Braves | NL | MLB | MLN | 23 | 25 | P | 39 | 67 | 2 | 9 | 1 | 0 | 0 | 6 | 0 | 0 | 4 | 25 | 1 | 7 | 4 | 0 | 1 | 10 | 83 | 1 | 8 | .134 | .184 | .149 | .333 | .075 | .015 | .196 | 4.82 | 30.12 | 6.25 | 0.00 | |
| 1965 | Milwaukee Braves | NL | MLB | MLN | 23 | 26 | P | 32 | 45 | 3 | 4 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 19 | 0 | 2 | 0 | 0 | 1 | 5 | 49 | 1 | 3 | .089 | .128 | .111 | .239 | .067 | .022 | .154 | 4.08 | 38.78 | 9.50 | 0.00 | |
| 1966 | Atlanta Braves | NL | MLB | ATL | 23 | 27 | P | 27 | 59 | 5 | 7 | 1 | 1 | 0 | 5 | 0 | 0 | 3 | 21 | 0 | 4 | 0 | 0 | 0 | 10 | 66 | 2 | 5 | .119 | .161 | .169 | .330 | .102 | .050 | .184 | 4.55 | 31.82 | 7.00 | 0.00 | |
| 1967 | Atlanta Braves | NL | MLB | ATL | 23 | 28 | P | 31 | 67 | 2 | 7 | 0 | 0 | 0 | 3 | 0 | 0 | 4 | 24 | 0 | 7 | 1 | 0 | 0 | 7 | 79 | 0 | 7 | .104 | .153 | .104 | .257 | .060 | .000 | .159 | 5.06 | 30.38 | 6.00 | 0.00 | |
| 1968 | Houston Astros | NL | MLB | HOU | 23 | 29 | P | 33 | 65 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 6 | 20 | 0 | 9 | 0 | 0 | 1 | 2 | 80 | 0 | 2 | .031 | .113 | .031 | .144 | .092 | .000 | .044 | 7.50 | 25.00 | 3.33 | 0.00 | |
| 1969 | Houston Astros | NL | MLB | HOU | 23 | 30 | P | 38 | 88 | 3 | 15 | 3 | 0 | 1 | 7 | 0 | 0 | 6 | 26 | 0 | 6 | 0 | 0 | 1 | 21 | 100 | 4 | 11 | .170 | .223 | .239 | .462 | .136 | .069 | .230 | 6.00 | 26.00 | 4.33 | 88.00 | |
| 1970 | Houston Astros | NL | MLB | HOU | 23 | 31 | P | 39 | 45 | 3 | 8 | 0 | 0 | 1 | 7 | 0 | 0 | 5 | 13 | 0 | 3 | 1 | 0 | 0 | 11 | 54 | 1 | 7 | .178 | .255 | .244 | .499 | .178 | .066 | .219 | 9.26 | 24.07 | 2.60 | 45.00 | |
| 1971 | Houston Astros | NL | MLB | HOU | 23 | 32 | P | 42 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 1 | .167 | .167 | .167 | .334 | .000 | .000 | .333 | 0.00 | 42.86 | 0.00 | 0.00 | |
| 1972 | Montreal Expos | NL | MLB | MON | 23 | 33 | P | 13 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .333 | .500 | .333 | .833 | .333 | .000 | 1.000 | 25.00 | 50.00 | 2.00 | 0.00 | |
| Tot: | MLB (11 yrs) | MLB | 357 | 552 | 25 | 72 | 7 | 1 | 4 | 36 | 0 | 0 | 32 | 192 | 1 | 47 | 6 | 0 | 5 | 93 | 638 | 12 | 60 | .130 | .178 | .168 | .346 | .096 | .038 | .188 | 5.02 | 30.09 | 6.00 | 138.00 | ||||||
| Tot: | NL (11 yrs) | NL | 357 | 552 | 25 | 72 | 7 | 1 | 4 | 36 | 0 | 0 | 32 | 192 | 1 | 47 | 6 | 0 | 5 | 93 | 638 | 12 | 60 | .130 | .178 | .168 | .346 | .096 | .038 | .188 | 5.02 | 30.09 | 6.00 | 138.00 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 67 | 59 | 45 | 68 | 45 | 81 | .499 |