| Year | Team | G | GS | IP |
WINS |
SV |
K |
ERA |
WHIP |
| 1996 | COL | 16 | 15 | 91.1 | 4 | 0 | 45 | 4.92701 | 1.59854 |
| 1997 | COL | 26 | 26 | 149.2 | 8 | 0 | 59 | 6.25390 | 1.79733 |
| 1998 | COL | 34 | 34 | 206.1 | 9 | 0 | 86 | 5.67044 | 1.59935 |
| 1999 | COL | 16 | 16 | 94.1 | 4 | 0 | 49 | 4.86573 | 1.73852 |
| 2000 | MIL | 26 | 25 | 164.2 | 7 | 0 | 96 | 4.09919 | 1.48785 |
| 2001 | MIL | 33 | 33 | 194.2 | 11 | 0 | 129 | 4.90068 | 1.53596 |
| 2002 | MIL | 19 | 19 | 114.1 | 5 | 0 | 69 | 5.35277 | 1.55685 |
| 2002 | STL | 4 | 3 | 15.0 | 2 | 0 | 8 | 4.80000 | 1.80000 |
| 2003 | KCR | 4 | 4 | 25.1 | 1 | 0 | 19 | 4.26316 | 1.34211 |
| 2004 | COL | 14 | 14 | 78.2 | 2 | 0 | 41 | 4.11864 | 1.61441 |
| 2005 | COL | 34 | 27 | 171.1 | 8 | 0 | 101 | 5.46304 | 1.64591 |
| 2006 | SFG | 34 | 21 | 156.0 | 6 | 0 | 79 | 5.19231 | 1.48077 |
| 2007 | TEX | 20 | 9 | 77.0 | 4 | 0 | 39 | 3.62338 | 1.46753 |
| 2008 | TEX | 75 | 0 | 84.1 | 8 | 0 | 60 | 5.12253 | 1.51779 |
| 2009 | KCR | 65 | 0 | 79.0 | 3 | 0 | 60 | 4.32911 | 1.48101 |
| 2010 | CLE | 18 | 0 | 21.1 | 1 | 0 | 9 | 5.48438 | 1.59375 |
| 2010 | SEA | 28 | 0 | 37.0 | 0 | 0 | 19 | 3.40541 | 1.24324 |
| 2011 | SEA | 60 | 0 | 68.1 | 2 | 1 | 48 | 3.16098 | 1.33171 |
| 2012 | LAD | 66 | 0 | 67.2 | 5 | 0 | 54 | 3.72414 | 1.50739 |
| 2013 | TBR | 66 | 1 | 70.0 | 2 | 0 | 65 | 3.08571 | 1.20000 |
| 2014 | LAD | 61 | 1 | 70.1 | 5 | 1 | 54 | 4.35071 | 1.40758 |
| Year | Team | G | GS | IP |
WINS |
SV |
K |
ERA |
WHIP |
| 2007 | TEX (AA) | 1 | 1 | 4.0 | 0 | 0 | 2 | 4.50000 | 1.50000 |
| 2007 | TEX (AAA) | 3 | 3 | 16.1 | 2 | 0 | 11 | 4.40816 | 1.46939 |
| 2010 | OAK (AAA) | 10 | 0 | 14.0 | 1 | 1 | 16 | 9.00000 | 2.28571 |
| Year | Team | G | GS | IP |
WINS |
SV |
K |
ERA |
WHIP |
| 2006 | SFG (ST) | 5 | 3 | 19.0 | 1 | 0 | 14 | 3.31579 | 1.47368 |
| 2007 | TEX (ST) | 6 | 5 | 20.1 | 0 | 0 | 9 | 6.19672 | 1.62295 |
| 2008 | TEX (ST) | 7 | 1 | 11.2 | 0 | 2 | 7 | 2.31429 | 1.62857 |
| 2009 | KCR (ST) | 10 | 0 | 13.2 | 0 | 0 | 11 | 3.29268 | 1.24390 |
| 2010 | CLE (ST) | 10 | 0 | 12.2 | 3 | 0 | 10 | 1.42105 | 0.86842 |
| 2011 | SEA (ST) | 11 | 0 | 12.0 | 1 | 0 | 9 | 0.00000 | 0.41667 |
| 2012 | LAD (ST) | 10 | 3 | 12.1 | 0 | 1 | 8 | 4.37838 | 1.37838 |
| 2013 | TBR (ST) | 10 | 0 | 11.0 | 0 | 0 | 3 | 7.36364 | 1.27273 |
| 2014 | LAD (ST) | 7 | 0 | 7.1 | 1 | 0 | 6 | 8.59091 | 1.50000 |
| 2015 | TEX (ST) | 9 | 0 | 12.0 | 0 | 0 | 6 | 7.50000 | 1.75000 |
| 2016 | LAD (ST) | 8 | 0 | 6.2 | 0 | 1 | 6 | 12.14999 | 2.40000 |