| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | Kansas City Royals | 8 | 6 | 16 | 106.2 | 3.21 | 1.19 | 64 | 26 | 7 | 5.40 | 2.19 |
| 1997 |
| Kansas City Royals |
| 9 |
| 12 |
| 33 |
| 203.1 |
| 4.69 |
| 1.38 |
| 129 |
| 73 |
| 26 |
| 5.71 |
| 3.23 |
| 1998 | Kansas City Royals | 8 | 11 | 38 | 174.2 | 4.69 | 1.36 | 135 | 57 | 25 | 6.96 | 2.94 |
| 1999 | Kansas City Royals | 10 | 14 | 33 | 208.0 | 3.85 | 1.29 | 141 | 72 | 24 | 6.10 | 3.12 |
| 2000 | Kansas City Royals | 2 | 2 | 5 | 27.2 | 5.86 | 1.37 | 15 | 9 | 4 | 4.88 | 2.93 |
| Career | — | 37 | 45 | 125 | 720.1 | 4.27 | 1.32 | 484 | 237 | 86 | 6.05 | 2.96 |
