| Year | ERA | WHIP | BABIP | H/9 | HR/9 | K/9 | GB% | K% | BB% | K%-BB% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 4.72 | 1.428 | .300 | 9.46 | 1.11 | 6.42 | 50.00% | 16.29% | 8.60% | 7.69% |
| 2004 | 4.49 | 1.372 | .294 | 9.24 | 1.05 | 6.29 | 50.91% | 16.16% | 7.96% | 8.20% |
| 2003 | 4.71 | 1.415 | .300 | 9.42 | 1.11 | 6.61 | 51.14% | 16.80% | 8.44% | 8.36% |
| 2002 | 4.57 | 1.389 | .293 | 9.26 | 1.10 | 6.37 | 50.81% | 16.28% | 8.28% | 8.00% |
| 2001 | 4.49 | 1.400 | .295 | 9.17 | 1.12 | 6.69 | 49.94% | 17.12% | 8.75% | 8.36% |
| 2000 | 4.58 | 1.407 | .301 | 9.39 | 1.14 | 6.77 | 49.72% | 17.29% | 8.37% | 8.92% |
| 1999 | 4.95 | 1.499 | .305 | 9.69 | 1.19 | 6.50 | 50.32% | 16.29% | 9.51% | 6.78% |
| 1998 | 4.91 | 1.493 | .307 | 9.78 | 1.17 | 6.47 | 50.56% | 16.25% | 9.18% | 7.07% |
| 1997 | 4.52 | 1.417 | .300 | 9.35 | 1.08 | 6.61 | 49.13% | 16.86% | 8.67% | 8.19% |
| 1996 | 4.62 | 1.430 | .299 | 9.37 | 1.06 | 6.38 | 50.47% | 16.22% | 8.92% | 7.30% |
| 1995 | 4.73 | 1.468 | .304 | 9.64 | 1.10 | 6.30 | 49.96% | 15.89% | 9.00% | 6.89% |
| 1994 | 4.67 | 1.450 | .302 | 9.49 | 1.07 | 6.42 | 50.82% | 16.25% | 9.01% | 7.24% |
| 1993 | 4.73 | 1.461 | .302 | 9.62 | 1.03 | 6.10 | 50.45% | 15.40% | 8.90% | 6.50% |
| 1992 | 4.23 | 1.401 | .295 | 9.28 | .88 | 5.76 | 49.54% | 14.77% | 8.54% | 6.23% |
| 1991 | 4.08 | 1.385 | .293 | 9.17 | .78 | 5.63 | 49.15% | 14.48% | 8.49% | 5.99% |
| 1990 | 4.08 | 1.369 | .289 | 9.05 | .82 | 5.61 | 48.90% | 14.50% | 8.47% | 6.03% |
| 1989 | 3.76 | 1.309 | .284 | 8.72 | .76 | 5.86 | 49.94% | 15.36% | 8.03% | 7.33% |