Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | ATL | 46 | 0 | 0 | 2 | 4.18 | 28 | 0 | 0 | 5 | 51.2 | 60 | 24 | 27 | 5 | 14 | 2 | 1.43 |
| 1968 | CHC | 8 | 0 | 0 | 0 | 9.00 | 3 | 0 | 0 | 0 | 9.0 | 14 | 9 | 11 | 1 | 0 | 1 | 1.56 |
| 1971 | PIT | 10 | 0 | 0 | 1 | 0.73 | 7 | 0 | 0 | 4 | 12.1 | 5 | 1 | 1 | 0 | 2 | 0 | 0.57 |
| 1972 | PIT | 53 | 0 | 5 | 0 | 1.67 | 47 | 0 | 0 | 14 | 70.0 | 50 | 13 | 14 | 3 | 22 | 3 | 1.03 |
| 1973 | PIT | 59 | 0 | 4 | 5 | 2.41 | 64 | 0 | 0 | 11 | 89.2 | 71 | 24 | 27 | 5 | 25 | 4 | 1.07 |
| 1974 | PIT | 58 | 0 | 5 | 2 | 2.75 | 33 | 0 | 0 | 2 | 68.2 | 68 | 21 | 21 | 3 | 18 | 2 | 1.25 |
| 1975 | PIT | 46 | 0 | 7 | 2 | 2.95 | 43 | 0 | 0 | 5 | 64.0 | 62 | 21 | 21 | 0 | 28 | 0 | 1.41 |
| 1976 | PIT | 37 | 0 | 2 | 2 | 3.56 | 17 | 0 | 0 | 3 | 43.0 | 42 | 17 | 17 | 3 | 16 | 1 | 1.35 |
| 1976 | CHC | 2 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.2 | 2 | 0 | 0 | 0 | 0 | 0 | 1.20 |
| 1976 | TOT | 39 | 0 | 2 | 2 | 3.43 | 18 | 0 | 0 | 3 | 44.2 | 44 | 17 | 17 | 3 | 16 | 1 | 1.34 |
| 1977 | CHC | 6 | 0 | 0 | 0 | 8.22 | 4 | 0 | 0 | 1 | 7.2 | 11 | 7 | 9 | 1 | 3 | 0 | 1.83 |
| 1977 | BOS | 12 | 0 | 0 | 1 | 5.68 | 8 | 0 | 0 | 1 | 12.2 | 14 | 8 | 10 | 2 | 7 | 1 | 1.66 |
| 1977 | TOT | 18 | 0 | 0 | 1 | 6.64 | 12 | 0 | 0 | 2 | 20.1 | 25 | 15 | 19 | 3 | 10 | 1 | 1.72 |
| Career | 337 | 0 | 23 | 15 | 3.03 | 255 | 0 | 0 | 46 | 430.1 | 399 | 145 | 158 | 23 | 135 | 14 | 1.24 |
Brewers 
Cardinals 
Pirates 
Reds 
Cubs 
ARI 
HOU 
Phillies 
Braves 
Dodgers 
Orioles 
Yankees 
Guardians 
Twins 
Mariners 
DET 
NYM 
TBR 
TOR 
SDP 
TEX 
BOS 
