Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1975 | OAK | 4 | 3 | 1 | 0 | 0.00 | 5 | 1 | 1 | 0 | 16.2 | 6 | 0 | 2 | 0 | 8 | 0 | 0.84 |
1976 | OAK | 24 | 19 | 4 | 5 | 4.78 | 44 | 1 | 1 | 0 | 96.0 | 91 | 51 | 53 | 10 | 56 | 2 | 1.53 |
1977 | OAK | 16 | 12 | 2 | 7 | 4.77 | 35 | 1 | 1 | 0 | 77.1 | 77 | 41 | 45 | 14 | 31 | 4 | 1.40 |
1978 | OAK | 14 | 5 | 0 | 5 | 5.51 | 36 | 1 | 0 | 0 | 49.0 | 46 | 30 | 35 | 2 | 35 | 3 | 1.65 |
1979 | OAK | 29 | 18 | 5 | 8 | 4.80 | 96 | 3 | 0 | 0 | 146.1 | 146 | 78 | 87 | 11 | 94 | 9 | 1.64 |
1980 | OAK | 33 | 33 | 22 | 9 | 2.53 | 180 | 24 | 1 | 0 | 284.1 | 215 | 80 | 88 | 18 | 83 | 6 | 1.05 |
1981 | OAK | 23 | 23 | 12 | 9 | 3.75 | 78 | 12 | 2 | 0 | 172.2 | 145 | 72 | 77 | 17 | 63 | 10 | 1.20 |
1982 | OAK | 28 | 28 | 7 | 11 | 4.76 | 83 | 7 | 1 | 0 | 166.1 | 154 | 88 | 103 | 25 | 84 | 6 | 1.43 |
1983 | OAK | 16 | 16 | 4 | 5 | 3.76 | 63 | 2 | 0 | 0 | 88.2 | 68 | 37 | 42 | 11 | 36 | 3 | 1.17 |
1990 | OAK | 14 | 0 | 1 | 0 | 3.00 | 16 | 0 | 0 | 0 | 27.0 | 24 | 9 | 10 | 0 | 9 | 2 | 1.22 |
| Career | 201 | 157 | 58 | 59 | 3.89 | 636 | 52 | 7 | 0 | 1124.1 | 972 | 486 | 542 | 108 | 499 | 45 | 1.31 |
Athletics 
Rangers 
Astros 
Angels 
Mariners 
CHC 
COL 
Phillies 
Marlins 
Cardinals 
Reds 
Dodgers 
Padres 
Yankees 
Orioles 
White Sox 
Guardians 
MIL 
TOR 
WSH 
SFG 
PIT 
