Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1965 | MIN | 16 | 9 | 5 | 4 | 3.17 | 61 | 1 | 0 | 2 | 76.2 | 68 | 27 | 29 | 11 | 20 | 0 | 1.15 |
1966 | MIN | 31 | 18 | 7 | 14 | 3.38 | 124 | 5 | 1 | 3 | 144.0 | 112 | 54 | 57 | 17 | 33 | 0 | 1.01 |
1967 | MIN | 37 | 28 | 13 | 7 | 2.53 | 161 | 11 | 4 | 0 | 227.2 | 196 | 64 | 72 | 21 | 30 | 7 | 0.99 |
1968 | MIN | 38 | 34 | 12 | 16 | 3.25 | 181 | 11 | 1 | 1 | 238.1 | 207 | 86 | 102 | 21 | 52 | 7 | 1.09 |
1969 | CIN | 42 | 36 | 17 | 9 | 4.37 | 144 | 8 | 1 | 0 | 251.0 | 269 | 122 | 127 | 33 | 61 | 5 | 1.31 |
1970 | CIN | 35 | 35 | 20 | 12 | 4.08 | 136 | 12 | 1 | 0 | 234.0 | 248 | 106 | 114 | 21 | 53 | 1 | 1.29 |
1971 | CIN | 28 | 11 | 1 | 11 | 4.37 | 38 | 0 | 0 | 0 | 107.0 | 115 | 52 | 55 | 14 | 31 | 3 | 1.36 |
1972 | CIN | 4 | 1 | 1 | 0 | 4.50 | 4 | 0 | 0 | 0 | 8.0 | 13 | 4 | 4 | 1 | 2 | 0 | 1.88 |
1973 | TEX | 35 | 19 | 5 | 13 | 4.05 | 65 | 8 | 1 | 1 | 160.0 | 191 | 72 | 79 | 18 | 34 | 1 | 1.41 |
1974 | TEX | 26 | 1 | 0 | 0 | 4.13 | 18 | 0 | 0 | 0 | 32.2 | 46 | 15 | 17 | 3 | 6 | 0 | 1.59 |
1975 | TEX | 5 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 3.2 | 3 | 0 | 1 | 0 | 0 | 1 | 0.82 |
| Career | 297 | 192 | 81 | 86 | 3.65 | 932 | 56 | 9 | 7 | 1483.0 | 1,468 | 602 | 657 | 160 | 322 | 25 | 1.21 |
Guardians 
Tigers 
Royals 
Twins 
White Sox 
STL 
Phillies 
Braves 
Brewers 
Cubs 
Dodgers 
Padres 
Yankees 
Orioles 
Astros 
Mariners 
PIT 
MIA 
WSH 
BOS 
TEX 
