| 2003 | Harrisburg | East | AA | 23 | mtl | 22 | p | - | 4 | 2 | 1 | 2 | 45.8 | .000 | 1.500 | 1.500 | -- | 50.0 | 0 | 1 | 100.0 | 0.0 | 0.0 | -- | -- | -- | -- | -- | -- | 60-82 | 6 | Dave Machemer |
| 2004 | Harrisburg | East | AA | 20 | mtl | 23 | p | - | 17 | 12 | 9 | 2 | 6.1 | .250 | .333 | .333 | 0.00 | 8.3 | 1 | 2 | 66.7 | 0.0 | 25.0 | -- | -- | -- | -- | -- | -- | 52-90 | 6 | Dave Machemer |
| | Montreal | NL | MLB | 49 | mtl | 23 | p | - | 3 | 3 | 3 | -- | -- | .000 | .000 | .000 | 0.00 | 0.0 | 0 | 0 | 0.0 | 0.0 | 66.7 | -- | 3.7 | 11 | 81.8 | 18.2 | 18.2 | 67-95 | 5 | Frank Robinson |
| 2006 | Harrisburg | East | AA | - | wan | 25 | | - | 3 | 5 | 5 | -- | -- | .000 | .000 | .000 | 0.00 | 0.0 | 0 | 0 | 0.0 | 0.0 | 60.0 | -- | -- | -- | -- | -- | -- | 67-75 | 5 | John Stearns |
| | New Orleans | PCL | AAA | - | wan | 25 | | - | 1 | 3 | 3 | -- | -- | .000 | .000 | .000 | 0.00 | 0.0 | 0 | 0 | 0.0 | 0.0 | 33.3 | -- | -- | -- | -- | -- | -- | 72-71 | 3 | Tim Foli |
| | Washington | NL | MLB | 41 | wan | 25 | p | - | 4 | 8 | 7 | 0 | -1.2 | .500 | .000 | .000 | 0.00 | 0.0 | 1 | 0 | 0.0 | 0.0 | 50.0 | 3.00 | 3.1 | 25 | 80.0 | 20.0 | 12.0 | 71-91 | 5 | Frank Robinson |
| 2007 | Washington | NL | MLB | 41 | wan | 26 | p | - | 16 | 37 | 31 | -1 | -0.8 | .125 | .115 | .000 | 0.30 | 0.0 | 2 | 0 | 0.0 | 8.1 | 27.0 | 2.00 | 3.4 | 124 | 59.7 | 40.3 | 5.6 | 73-89 | 4 | Manny Acta |
| 2008 | Washington | NL | MLB | 41 | wan | 27 | p | - | 9 | 15 | 12 | 0 | 0.5 | .000 | .429 | .000 | 1.50 | 0.0 | 0 | 0 | 0.0 | 20.0 | 13.3 | 2.33 | 3.5 | 53 | 60.4 | 39.6 | 5.7 | 59-102 | 5 | Manny Acta |
| 2009 | San Diego | NL | MLB | 34 | sd | 28 | p | - | 3 | 4 | 4 | -- | -- | .000 | .000 | .000 | 0.00 | 0.0 | 0 | 0 | 0.0 | 0.0 | 25.0 | 0.50 | 3.5 | 14 | 85.7 | 14.3 | 7.1 | 75-87 | 4 | Bud Black |
| Minor League Totals (3 years) | 25 | 22 | 18 | 3 | 4 | .200 | .368 | .368 | 0.00 | 9.1 | 1 | 3 | 75.0 | 0.0 | 31.8 | -- | -- | -- | -- | -- | -- | .441 | -- | |
| AAA Totals (1 year) | 1 | 3 | 3 | - | - | .000 | .000 | .000 | 0.00 | 0.0 | 0 | 0 | 0.0 | 0.0 | 33.3 | -- | -- | -- | -- | -- | -- | .503 | -- | |
| AA Totals (3 years) | 24 | 19 | 15 | 3 | 5.4 | .222 | .412 | .412 | 0.00 | 10.5 | 1 | 3 | 75.0 | 0.0 | 31.6 | -- | -- | -- | -- | -- | -- | .420 | -- | |