Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1962 | MIL | 17 | 12 | 3 | 4 | 3.01 | 69 | 4 | 1 | 0 | 86.2 | 75 | 29 | 36 | 11 | 32 | 3 | 1.23 |
1963 | MIL | 46 | 31 | 11 | 14 | 3.04 | 190 | 10 | 1 | 1 | 237.0 | 199 | 80 | 87 | 30 | 85 | 1 | 1.20 |
1964 | MIL | 39 | 35 | 17 | 11 | 4.15 | 185 | 9 | 3 | 1 | 221.0 | 216 | 102 | 112 | 27 | 75 | 4 | 1.32 |
1965 | MIL | 32 | 23 | 7 | 13 | 4.43 | 111 | 4 | 1 | 0 | 146.1 | 140 | 72 | 75 | 12 | 58 | 3 | 1.35 |
1966 | ATL | 27 | 27 | 11 | 8 | 3.74 | 139 | 10 | 3 | 0 | 171.0 | 170 | 71 | 78 | 25 | 41 | 1 | 1.23 |
1967 | ATL | 31 | 31 | 9 | 9 | 3.34 | 148 | 8 | 2 | 0 | 215.1 | 184 | 80 | 86 | 20 | 72 | 3 | 1.19 |
1968 | HOU | 33 | 32 | 10 | 15 | 2.81 | 146 | 7 | 2 | 0 | 224.0 | 231 | 70 | 79 | 11 | 72 | 4 | 1.35 |
1969 | HOU | 38 | 37 | 13 | 17 | 3.16 | 173 | 11 | 1 | 1 | 244.2 | 232 | 86 | 97 | 20 | 72 | 1 | 1.24 |
1970 | HOU | 39 | 21 | 7 | 12 | 4.56 | 103 | 3 | 0 | 3 | 162.0 | 169 | 82 | 88 | 22 | 65 | 2 | 1.44 |
1971 | HOU | 42 | 0 | 0 | 2 | 3.45 | 28 | 0 | 0 | 2 | 60.0 | 59 | 23 | 23 | 4 | 22 | 1 | 1.35 |
1972 | MON | 13 | 0 | 2 | 0 | 7.78 | 13 | 0 | 0 | 0 | 19.2 | 28 | 17 | 17 | 2 | 6 | 1 | 1.73 |
| Career | 357 | 249 | 90 | 105 | 3.58 | 1,305 | 66 | 14 | 8 | 1787.2 | 1,703 | 712 | 778 | 184 | 600 | 24 | 1.29 |
Phillies 
Braves 
Mets 
Nationals 
Marlins 
SDP 
LAD 
Brewers 
Cubs 
Yankees 
Orioles 
Guardians 
Royals 
Astros 
Mariners 
PIT 
BOS 
TEX 
