Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1988 | SEA | 6 | 6 | 2 | 3 | 3.24 | 36 | 0 | 0 | 0 | 41.2 | 35 | 15 | 17 | 4 | 12 | 1 | 1.13 |
1989 | SEA | 17 | 17 | 9 | 5 | 3.18 | 75 | 1 | 0 | 0 | 113.1 | 103 | 40 | 44 | 7 | 32 | 5 | 1.19 |
1990 | SEA | 33 | 33 | 18 | 9 | 3.24 | 211 | 5 | 1 | 0 | 236.0 | 205 | 85 | 88 | 15 | 68 | 2 | 1.16 |
1991 | SEA | 27 | 27 | 8 | 8 | 3.81 | 143 | 2 | 1 | 0 | 174.2 | 182 | 74 | 82 | 16 | 56 | 2 | 1.36 |
1992 | SEA | 31 | 30 | 8 | 17 | 4.82 | 112 | 6 | 1 | 0 | 186.2 | 209 | 100 | 110 | 14 | 57 | 7 | 1.43 |
1993 | SEA | 31 | 30 | 11 | 12 | 3.47 | 163 | 7 | 0 | 0 | 215.0 | 215 | 83 | 91 | 17 | 60 | 5 | 1.28 |
1994 | CIN | 22 | 21 | 5 | 5 | 4.11 | 101 | 0 | 0 | 0 | 122.2 | 137 | 56 | 60 | 10 | 23 | 3 | 1.30 |
1995 | BOS | 29 | 29 | 15 | 5 | 4.24 | 139 | 1 | 1 | 0 | 186.2 | 187 | 88 | 94 | 17 | 59 | 1 | 1.32 |
1996 | TOR | 35 | 35 | 13 | 17 | 5.41 | 156 | 4 | 1 | 0 | 214.2 | 243 | 129 | 143 | 26 | 102 | 2 | 1.61 |
1997 | TOR | 3 | 2 | 0 | 0 | 7.80 | 18 | 0 | 0 | 0 | 15.0 | 15 | 13 | 13 | 3 | 6 | 0 | 1.40 |
1998 | TOR | 11 | 8 | 0 | 3 | 6.24 | 21 | 0 | 0 | 0 | 49.0 | 73 | 34 | 34 | 10 | 29 | 1 | 2.08 |
| Career | 245 | 238 | 89 | 84 | 4.15 | 1,175 | 26 | 5 | 0 | 1555.1 | 1,604 | 717 | 776 | 139 | 504 | 29 | 1.36 |
Rangers 
Angels 
Astros 
Mariners 
Athletics 
CIN 
TOR 
Mets 
Phillies 
Cubs 
Padres 
Giants 
Yankees 
Tigers 
Guardians 
MIN 
CWS 
COL 
PIT 
TBR 
WSH 
ATL 
MIL 
STL 
