Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1973 | TEX | 32 | 0 | 2 | 4 | 3.88 | 28 | 0 | 0 | 8 | 55.2 | 54 | 24 | 26 | 6 | 31 | 3 | 1.53 |
1974 | TEX | 69 | 0 | 8 | 9 | 2.24 | 106 | 0 | 0 | 12 | 144.1 | 123 | 36 | 51 | 8 | 40 | 5 | 1.13 |
1975 | TEX | 59 | 0 | 8 | 4 | 4.12 | 56 | 0 | 0 | 10 | 107.0 | 96 | 49 | 57 | 10 | 55 | 4 | 1.41 |
1976 | TEX | 46 | 0 | 8 | 8 | 3.33 | 41 | 0 | 0 | 5 | 75.2 | 68 | 28 | 31 | 9 | 25 | 4 | 1.23 |
1977 | DET | 44 | 0 | 7 | 7 | 3.15 | 58 | 0 | 0 | 13 | 74.1 | 64 | 26 | 29 | 7 | 17 | 0 | 1.09 |
1978 | DET | 24 | 0 | 2 | 4 | 3.13 | 18 | 0 | 0 | 4 | 37.1 | 48 | 13 | 18 | 1 | 21 | 1 | 1.85 |
1978 | KCR | 3 | 0 | 0 | 0 | 3.86 | 0 | 0 | 0 | 0 | 2.1 | 5 | 1 | 1 | 0 | 1 | 0 | 2.57 |
1978 | TOT | 27 | 0 | 2 | 4 | 3.18 | 18 | 0 | 0 | 4 | 39.2 | 53 | 14 | 19 | 1 | 22 | 1 | 1.89 |
| Career | 277 | 0 | 35 | 36 | 3.21 | 307 | 0 | 0 | 52 | 496.2 | 458 | 177 | 213 | 41 | 190 | 17 | 1.30 |
Astros 
Mariners 
Rangers 
Athletics 
Angels 
BOS 
CIN 
Phillies 
Braves 
Brewers 
Cubs 
Dodgers 
Padres 
Yankees 
Orioles 
Guardians 
Royals 
PIT 
MIA 
WSH 
