Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1977 | OAK | 4 | 2 | 0 | 0 | 5.02 | 9 | 0 | 0 | 0 | 14.1 | 16 | 8 | 9 | 1 | 7 | 1 | 1.60 |
1978 | OAK | 9 | 0 | 0 | 0 | 4.50 | 10 | 0 | 0 | 0 | 20.0 | 26 | 10 | 14 | 1 | 9 | 0 | 1.75 |
1979 | OAK | 31 | 23 | 11 | 12 | 4.22 | 87 | 8 | 0 | 0 | 185.2 | 207 | 87 | 106 | 17 | 80 | 10 | 1.55 |
1980 | OAK | 33 | 31 | 14 | 14 | 3.86 | 114 | 11 | 1 | 0 | 221.2 | 202 | 95 | 104 | 27 | 99 | 8 | 1.36 |
1981 | OAK | 22 | 22 | 14 | 7 | 2.33 | 91 | 16 | 4 | 0 | 185.2 | 140 | 48 | 50 | 12 | 61 | 2 | 1.08 |
1982 | OAK | 21 | 20 | 6 | 3 | 3.99 | 66 | 2 | 0 | 0 | 128.2 | 124 | 57 | 62 | 16 | 70 | 4 | 1.51 |
1983 | OAK | 38 | 24 | 6 | 9 | 3.99 | 65 | 3 | 2 | 5 | 167.0 | 156 | 74 | 79 | 16 | 82 | 1 | 1.43 |
1984 | OAK | 33 | 30 | 8 | 14 | 4.76 | 63 | 4 | 0 | 0 | 179.2 | 206 | 95 | 101 | 24 | 71 | 1 | 1.54 |
1985 | OAK | 30 | 9 | 4 | 4 | 5.57 | 36 | 1 | 0 | 0 | 85.2 | 95 | 53 | 56 | 10 | 41 | 4 | 1.59 |
| Career | 221 | 161 | 63 | 63 | 3.99 | 541 | 45 | 7 | 5 | 1188.1 | 1,172 | 527 | 581 | 124 | 520 | 31 | 1.42 |
Astros 
Mariners 
Rangers 
Athletics 
Angels 
CHC 
Phillies 
Braves 
Brewers 
Dodgers 
Padres 
Yankees 
Orioles 
Guardians 
Royals 
PIT 
MIA 
WSH 
BOS 
