| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | Pittsburgh Pirates | 0 | 2 | 15 | 25.0 | 8.28 | 1.76 | 13 | 4 | 2 | 4.68 | 1.44 |
| 1997 |
| Pittsburgh Pirates |
| 0 |
| 0 |
| 3 |
| 3.1 |
| 0.00 |
| 0.60 |
| 2 |
| 0 |
| 0 |
| 5.40 |
| 0.00 |
| 1998 | Pittsburgh Pirates | 2 | 6 | 43 | 74.2 | 5.67 | 1.54 | 43 | 25 | 10 | 5.18 | 3.01 |
| 2000 | Cincinnati Reds | 11 | 5 | 40 | 147.1 | 4.28 | 1.45 | 85 | 43 | 10 | 5.19 | 2.63 |
| 2001 | Cincinnati Reds | 10 | 14 | 34 | 205.0 | 4.48 | 1.35 | 128 | 56 | 32 | 5.62 | 2.46 |
| 2002 | Cincinnati Reds | 7 | 8 | 30 | 178.0 | 3.03 | 1.25 | 93 | 49 | 24 | 4.70 | 2.48 |
| 2003 | Arizona Diamondbacks | 8 | 8 | 34 | 175.2 | 5.07 | 1.53 | 113 | 57 | 22 | 5.79 | 2.92 |
| 2004 | Arizona Diamondbacks | 1 | 6 | 38 | 85.1 | 4.75 | 1.52 | 55 | 23 | 11 | 5.80 | 2.43 |
| 2004 | Los Angeles Dodgers | 1 | 0 | 12 | 19.2 | 3.20 | 1.22 | 18 | 8 | 4 | 8.24 | 3.66 |
| 2004 | 2 | 6 | 50 | 105.0 | 4.46 | 1.47 | 73 | 31 | 15 | 6.26 | 2.66 |
| 2005 | Los Angeles Dodgers | 1 | 2 | 28 | 65.2 | 3.56 | 1.25 | 37 | 19 | 6 | 5.07 | 2.60 |
| 2006 | Kansas City Royals | 5 | 7 | 43 | 54.0 | 4.50 | 1.41 | 36 | 13 | 4 | 6.00 | 2.17 |
| 2006 | Los Angeles Dodgers | 0 | 1 | 19 | 23.0 | 4.70 | 1.39 | 16 | 9 | 4 | 6.26 | 3.52 |
| 2006 | 5 | 8 | 62 | 77.0 | 4.56 | 1.40 | 52 | 22 | 8 | 6.08 | 2.57 |
| 2007 | Milwaukee Brewers | 1 | 1 | 12 | 15.0 | 6.60 | 1.80 | 12 | 3 | 3 | 7.20 | 1.80 |
| 2007 | Colorado Rockies | 1 | 1 | 5 | 19.0 | 7.58 | 1.58 | 10 | 9 | 3 | 4.74 | 4.26 |
| 2007 | 2 | 2 | 17 | 34.0 | 7.15 | 1.68 | 22 | 12 | 6 | 5.82 | 3.18 |
| 2008 | Atlanta Braves | 0 | 1 | 4 | 4.0 | 22.50 | 3.50 | 2 | 4 | 1 | 4.50 | 9.00 |
| 2009 | New York Mets | 0 | 0 | 28 | 32.2 | 3.31 | 1.04 | 14 | 10 | 5 | 3.86 | 2.76 |
| 2010 | New York Mets | 4 | 2 | 53 | 47.0 | 2.30 | 1.21 | 16 | 16 | 4 | 3.06 | 3.06 |
| Career | — | 52 | 64 | 441 | 1174.1 | 4.44 | 1.40 | 693 | 348 | 145 | 5.31 | 2.67 |
