Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1985 | TEX | 5 | 5 | 3 | 2 | 2.76 | 24 | 0 | 0 | 0 | 32.2 | 27 | 10 | 13 | 3 | 14 | 0 | 1.26 |
1986 | TEX | 29 | 29 | 9 | 15 | 4.54 | 87 | 2 | 0 | 0 | 172.1 | 199 | 87 | 101 | 23 | 60 | 6 | 1.50 |
1987 | TEX | 37 | 30 | 14 | 14 | 4.67 | 143 | 6 | 0 | 0 | 208.1 | 196 | 108 | 115 | 30 | 82 | 3 | 1.33 |
1988 | TEX | 30 | 30 | 11 | 13 | 3.70 | 157 | 6 | 2 | 0 | 206.2 | 180 | 85 | 99 | 20 | 82 | 5 | 1.27 |
1991 | TEX | 25 | 25 | 13 | 7 | 3.08 | 125 | 5 | 1 | 0 | 169.2 | 152 | 58 | 67 | 10 | 84 | 4 | 1.39 |
1992 | TEX | 33 | 33 | 16 | 11 | 3.66 | 179 | 5 | 0 | 0 | 224.0 | 229 | 91 | 103 | 17 | 73 | 4 | 1.35 |
1993 | CHC | 30 | 30 | 12 | 10 | 4.34 | 163 | 2 | 1 | 0 | 191.0 | 188 | 92 | 98 | 25 | 74 | 3 | 1.37 |
1994 | CHC | 4 | 4 | 2 | 2 | 9.15 | 11 | 0 | 0 | 0 | 19.2 | 22 | 20 | 20 | 1 | 13 | 1 | 1.78 |
| Career | 193 | 186 | 80 | 74 | 4.05 | 889 | 26 | 4 | 0 | 1224.1 | 1,193 | 551 | 616 | 129 | 482 | 26 | 1.37 |
Astros 
Mariners 
Rangers 
Athletics 
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BOS 
CIN 
Phillies 
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Cubs 
Dodgers 
Padres 
Yankees 
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Guardians 
Royals 
PIT 
MIA 
WSH 
