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| Year | Age | Lvl | Lg | Org | W | L | Win% | SV | G | GS | GF | CG | ShO | IP | H | R | ER | HR | BB | IBB | SO | HB | GIDP | ERA | WHIP |  | 1962 | 23 | MLB | NL | MIL | 3 | 4 | .429 | 0 | 17 | 12 | 3 | 4 | 1 | 86.2 | 75 | 36 | 29 | 11 | 32 | 1 | 69 | 3 | 0 | 3.01 | 1.23 |  | 1963 | 24 | MLB | NL | MIL | 11 | 14 | .440 | 1 | 46 | 31 | 3 | 10 | 1 | 237.0 | 199 | 87 | 80 | 30 | 85 | 14 | 190 | 1 | 0 | 3.04 | 1.20 |  | 1964 | 25 | MLB | NL | MIL | 17 | 11 | .607 | 1 | 39 | 35 | 3 | 9 | 3 | 221.0 | 216 | 112 | 102 | 27 | 75 | 4 | 185 | 4 | 0 | 4.15 | 1.32 |  | 1965 | 26 | MLB | NL | MIL | 7 | 13 | .350 | 0 | 32 | 23 | 2 | 4 | 1 | 146.1 | 140 | 75 | 72 | 12 | 58 | 7 | 111 | 3 | 0 | 4.43 | 1.35 |  | 1966 | 27 | MLB | NL | ATL | 11 | 8 | .579 | 0 | 27 | 27 | 0 | 10 | 3 | 171.0 | 170 | 78 | 71 | 25 | 41 | 5 | 139 | 1 | 0 | 3.74 | 1.23 |  | 1967 | 28 | MLB | NL | ATL | 9 | 9 | .500 | 0 | 31 | 31 | 0 | 8 | 2 | 215.1 | 184 | 86 | 80 | 20 | 72 | 7 | 148 | 3 | 0 | 3.34 | 1.19 |  | 1968 | 29 | MLB | NL | HOU | 10 | 15 | .400 | 0 | 33 | 32 | 0 | 7 | 2 | 224.0 | 231 | 79 | 70 | 11 | 72 | 11 | 146 | 4 | 0 | 2.81 | 1.35 |  | 1969 | 30 | MLB | NL | HOU | 13 | 17 | .433 | 1 | 38 | 37 | 1 | 11 | 1 | 244.2 | 232 | 97 | 86 | 20 | 72 | 8 | 173 | 1 | 0 | 3.16 | 1.24 |  | 1970 | 31 | MLB | NL | HOU | 7 | 12 | .368 | 3 | 39 | 21 | 8 | 3 | 0 | 162.0 | 169 | 88 | 82 | 22 | 65 | 9 | 103 | 2 | 0 | 4.56 | 1.44 |  | 1971 | 32 | MLB | NL | HOU | 0 | 2 | .000 | 2 | 42 | 0 | 17 | 0 | 0 | 60.0 | 59 | 23 | 23 | 4 | 22 | 6 | 28 | 1 | 0 | 3.45 | 1.35 |  | 1972 | 33 | MLB | NL | MON | 2 | 0 | 1.000 | 0 | 13 | 0 | 4 | 0 | 0 | 19.2 | 28 | 17 | 17 | 2 | 6 | 1 | 13 | 1 | 0 | 7.78 | 1.73 |  | Totals |  |  |  |  | W | L | Win% | SV | G | GS | GF | CG | ShO | IP | H | R | ER | HR | BB | IBB | SO | HB | GIDP | ERA | WHIP |  | Career | ATL | 58 | 59 | .496 | 2 | 192 | 159 | 11 | 45 | 11 | 1077.1 | 984 | 474 | 434 | 125 | 363 | 38 | 842 | 15 | 0 | 3.63 | 1.25 |  | Career | HOU | 30 | 46 | .395 | 6 | 152 | 90 | 26 | 21 | 3 | 690.2 | 691 | 287 | 261 | 57 | 231 | 34 | 450 | 8 | 0 | 3.40 | 1.33 |  | Career | WAS | 2 | 0 | 1.000 | 0 | 13 | 0 | 4 | 0 | 0 | 19.2 | 28 | 17 | 17 | 2 | 6 | 1 | 13 | 1 | 0 | 7.78 | 1.73 |  | Career | Majors | 90 | 105 | .462 | 8 | 357 | 249 | 41 | 66 | 14 | 1787.2 | 1703 | 778 | 712 | 184 | 600 | 73 | 1305 | 24 | 0 | 3.58 | 1.29 |  |  |  | 
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| Year | Age | Lvl | Lg | Org | G | AB | R | H | 2B | 3B | HR | RBI | BB | IBB | SO | SB | CS | SH | SF | HB | GIDP | BA | OBA | SLG | OPS |  | 1962 | 23 | MLB | NL | MIL | 17 | 33 | 0 | 4 | 0 | 0 | 0 | 1 | 1 | 0 | 20 | 0 | 0 | 2 | 0 | 0 | 0 | .121 | .147 | .121 | .268 |  | 1963 | 24 | MLB | NL | MIL | 46 | 74 | 5 | 14 | 1 | 0 | 2 | 3 | 0 | 0 | 19 | 0 | 0 | 6 | 0 | 0 | 1 | .189 | .189 | .284 | .473 |  | 1964 | 25 | MLB | NL | MIL | 39 | 67 | 2 | 9 | 1 | 0 | 0 | 6 | 4 | 0 | 25 | 0 | 0 | 7 | 4 | 1 | 1 | .134 | .184 | .149 | .333 |  | 1965 | 26 | MLB | NL | MIL | 32 | 45 | 3 | 4 | 1 | 0 | 0 | 2 | 2 | 0 | 19 | 0 | 0 | 2 | 0 | 0 | 1 | .089 | .128 | .111 | .239 |  | 1966 | 27 | MLB | NL | ATL | 27 | 59 | 5 | 7 | 1 | 1 | 0 | 5 | 3 | 0 | 21 | 0 | 0 | 4 | 0 | 0 | 0 | .119 | .161 | .169 | .331 |  | 1967 | 28 | MLB | NL | ATL | 31 | 67 | 2 | 7 | 0 | 0 | 0 | 3 | 4 | 0 | 24 | 0 | 0 | 7 | 1 | 0 | 0 | .104 | .153 | .104 | .257 |  | 1968 | 29 | MLB | NL | HOU | 33 | 65 | 2 | 2 | 0 | 0 | 0 | 1 | 6 | 0 | 20 | 0 | 0 | 9 | 0 | 0 | 1 | .031 | .113 | .031 | .143 |  | 1969 | 30 | MLB | NL | HOU | 38 | 88 | 3 | 15 | 3 | 0 | 1 | 7 | 6 | 0 | 26 | 0 | 0 | 6 | 0 | 0 | 1 | .170 | .223 | .239 | .462 |  | 1970 | 31 | MLB | NL | HOU | 39 | 45 | 3 | 8 | 0 | 0 | 1 | 7 | 5 | 0 | 13 | 0 | 0 | 3 | 1 | 0 | 0 | .178 | .255 | .244 | .499 |  | 1971 | 32 | MLB | NL | HOU | 42 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | .167 | .167 | .167 | .333 |  | 1972 | 33 | MLB | NL | MON | 13 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .500 | .333 | .833 |  | Totals |  |  |  |  | G | AB | R | H | 2B | 3B | HR | RBI | BB | IBB | SO | SB | CS | SH | SF | HB | GIDP | BA | OBA | SLG | OPS |  | Career | ATL | 192 | 345 | 17 | 45 | 4 | 1 | 2 | 20 | 14 | 0 | 128 | 0 | 0 | 28 | 5 | 1 | 3 | .130 | .164 | .165 | .330 |  | Career | HOU | 152 | 204 | 8 | 26 | 3 | 0 | 2 | 15 | 17 | 0 | 62 | 0 | 0 | 19 | 1 | 0 | 2 | .127 | .194 | .172 | .365 |  | Career | WAS | 13 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | .333 | .500 | .333 | .833 |  | Career | Majors | 357 | 552 | 25 | 72 | 7 | 1 | 4 | 36 | 32 | 0 | 192 | 0 | 0 | 47 | 6 | 1 | 5 | .130 | .178 | .168 | .346 |  |  |  | 
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