Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1986 | DET | 33 | 16 | 11 | 4 | 3.51 | 79 | 3 | 1 | 3 | 138.1 | 108 | 54 | 54 | 11 | 63 | 8 | 1.24 |
1987 | DET | 55 | 4 | 6 | 9 | 4.89 | 89 | 0 | 0 | 9 | 116.0 | 111 | 63 | 67 | 15 | 60 | 4 | 1.47 |
1988 | DET | 23 | 5 | 4 | 1 | 3.41 | 45 | 0 | 0 | 3 | 68.2 | 60 | 26 | 28 | 5 | 34 | 5 | 1.37 |
1989 | CWS | 25 | 25 | 9 | 10 | 3.39 | 72 | 1 | 1 | 0 | 159.1 | 144 | 60 | 69 | 13 | 64 | 4 | 1.31 |
1990 | CWS | 25 | 25 | 12 | 4 | 3.28 | 70 | 2 | 2 | 0 | 151.0 | 135 | 55 | 59 | 10 | 40 | 6 | 1.16 |
1991 | CLE | 25 | 24 | 6 | 11 | 4.60 | 59 | 2 | 1 | 0 | 150.2 | 166 | 77 | 83 | 7 | 44 | 3 | 1.39 |
1992 | DET | 17 | 14 | 4 | 6 | 5.22 | 45 | 0 | 0 | 1 | 79.1 | 90 | 46 | 47 | 12 | 28 | 1 | 1.49 |
| Career | 203 | 113 | 52 | 45 | 3.97 | 459 | 8 | 5 | 16 | 863.1 | 814 | 381 | 407 | 73 | 333 | 31 | 1.33 |
Guardians 
Tigers 
Royals 
Twins 
White Sox 
LAD 
SEA 
Phillies 
Braves 
Brewers 
Cubs 
Padres 
Yankees 
Orioles 
Astros 
PIT 
MIA 
WSH 
BOS 
TEX 
