Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1963 | BAL | 1 | 1 | 0 | 1 | 13.50 | 1 | 0 | 0 | 0 | 4.0 | 10 | 6 | 6 | 1 | 3 | 0 | 3.25 |
| 1964 | BAL | 29 | 29 | 19 | 5 | 2.69 | 96 | 12 | 1 | 0 | 214.0 | 161 | 64 | 72 | 17 | 62 | 3 | 1.04 |
| 1965 | BAL | 34 | 27 | 10 | 8 | 3.38 | 84 | 4 | 1 | 2 | 189.0 | 170 | 71 | 79 | 16 | 58 | 4 | 1.21 |
| 1966 | BAL | 29 | 24 | 10 | 6 | 4.29 | 89 | 3 | 0 | 0 | 142.2 | 151 | 68 | 74 | 16 | 48 | 2 | 1.39 |
| 1967 | BAL | 29 | 9 | 3 | 7 | 4.09 | 51 | 1 | 0 | 1 | 88.0 | 83 | 40 | 46 | 7 | 31 | 2 | 1.30 |
| 1968 | BAL | 18 | 10 | 2 | 0 | 2.41 | 44 | 2 | 1 | 0 | 71.0 | 59 | 19 | 25 | 4 | 14 | 1 | 1.03 |
| 1969 | KCR | 35 | 31 | 12 | 11 | 3.23 | 130 | 10 | 1 | 2 | 222.2 | 198 | 80 | 89 | 29 | 62 | 4 | 1.17 |
| 1970 | KCR | 24 | 15 | 2 | 11 | 4.22 | 59 | 2 | 1 | 0 | 121.2 | 109 | 57 | 63 | 16 | 50 | 0 | 1.31 |
| 1971 | KCR | 7 | 6 | 2 | 3 | 5.01 | 15 | 0 | 0 | 0 | 32.1 | 35 | 18 | 19 | 7 | 6 | 0 | 1.27 |
| Career | 206 | 152 | 60 | 52 | 3.51 | 569 | 34 | 5 | 5 | 1085.1 | 976 | 423 | 473 | 113 | 334 | 16 | 1.21 |
Orioles 
Yankees 
Red Sox 
Rays 
Blue Jays 
SDP 
Phillies 
Braves 
Brewers 
Cardinals 
Dodgers 
Diamondbacks 
Guardians 
Twins 
Mariners 
Astros 
DET 
NYM 
CIN 
TEX 
