| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | Seattle Mariners | 0 | 0 | 6 | 8.0 | 4.50 | 1.25 | 4 | 2 | 0 | 4.50 | 2.25 |
| 1991 |
| Seattle Mariners |
| 2 |
| 2 |
| 22 |
| 36.2 |
| 3.68 |
| 1.31 |
| 16 |
| 14 |
| 6 |
| 3.93 |
| 3.44 |
| 1992 | San Francisco Giants | 2 | 7 | 23 | 70.2 | 4.97 | 1.57 | 47 | 31 | 4 | 5.99 | 3.95 |
| 1993 | San Francisco Giants | 10 | 3 | 54 | 95.1 | 4.25 | 1.38 | 88 | 37 | 14 | 8.31 | 3.49 |
| 1994 | San Francisco Giants | 3 | 6 | 57 | 74.0 | 4.38 | 1.41 | 84 | 45 | 5 | 10.22 | 5.47 |
| 1995 | San Francisco Giants | 4 | 2 | 37 | 43.1 | 4.98 | 1.45 | 46 | 25 | 5 | 9.55 | 5.19 |
| 1995 | Cincinnati Reds | 6 | 2 | 15 | 63.1 | 3.27 | 1.23 | 50 | 26 | 4 | 7.11 | 3.69 |
| 1995 | 10 | 4 | 52 | 106.2 | 3.97 | 1.32 | 96 | 51 | 9 | 8.10 | 4.30 |
| 1996 | Cincinnati Reds | 11 | 13 | 34 | 195.0 | 3.83 | 1.42 | 148 | 97 | 18 | 6.83 | 4.48 |
| 1997 | Cincinnati Reds | 11 | 10 | 30 | 160.0 | 4.73 | 1.44 | 131 | 73 | 22 | 7.37 | 4.11 |
| 1998 | Cleveland Indians | 15 | 10 | 32 | 203.2 | 4.11 | 1.37 | 132 | 69 | 30 | 5.83 | 3.05 |
| 1999 | Cleveland Indians | 15 | 9 | 34 | 220.0 | 4.25 | 1.40 | 174 | 96 | 30 | 7.12 | 3.93 |
| 2000 | Cleveland Indians | 16 | 6 | 32 | 191.1 | 4.47 | 1.52 | 180 | 91 | 19 | 8.47 | 4.28 |
| 2001 | Cleveland Indians | 10 | 10 | 32 | 150.2 | 6.21 | 1.61 | 118 | 54 | 16 | 7.05 | 3.23 |
| 2002 | Texas Rangers | 4 | 5 | 23 | 111.1 | 5.42 | 1.48 | 70 | 40 | 13 | 5.66 | 3.23 |
| 2002 | Cleveland Indians | 1 | 0 | 12 | 34.0 | 4.50 | 1.38 | 25 | 17 | 3 | 6.62 | 4.50 |
| 2002 | 5 | 5 | 35 | 145.1 | 5.20 | 1.46 | 95 | 57 | 16 | 5.88 | 3.53 |
| 2003 | Milwaukee Brewers | 1 | 1 | 17 | 43.1 | 3.53 | 1.41 | 35 | 19 | 5 | 7.27 | 3.95 |
| 2004 | Milwaukee Brewers | 3 | 1 | 45 | 70.2 | 4.08 | 1.23 | 47 | 24 | 6 | 5.99 | 3.06 |
| 2004 | San Francisco Giants | 1 | 0 | 6 | 6.1 | 5.68 | 1.42 | 3 | 2 | 1 | 4.26 | 2.84 |
| 2004 | 4 | 1 | 51 | 77.0 | 4.21 | 1.25 | 50 | 26 | 7 | 5.84 | 3.04 |
| Career | — | 115 | 87 | 511 | 1777.2 | 4.49 | 1.43 | 1,398 | 762 | 201 | 7.08 | 3.86 |
