| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2008 | PIT | 9 | 0 | 13.0 | 7 | 2.07692 | 6.92308 | 1.76923 |
| 2009 | PIT | 41 | 0 | 47.0 | 42 | 0.38298 | 3.44681 | 1.34043 |
| 2010 | PIT | 70 | 0 | 80.0 | 70 | 0.56250 | 2.13750 | 1.05000 |
| 2011 | PIT | 24 | 0 | 20.2 | 17 | 0.43548 | 3.48387 | 1.88709 |
| 2012 | PIT | 12 | 0 | 12.0 | 8 | 0.75000 | 6.75000 | 1.66667 |
| 2014 | BAL | 23 | 0 | 23.1 | 16 | 1.15714 | 5.78572 | 1.58572 |
| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2006 | SDP (A+) | 26 | 25 | 119.1 | 113 | 0.37709 | 4.97765 | 1.65922 |
| 2006 | TBD (A+) | 2 | 0 | 5.0 | 7 | 0.00000 | 9.00000 | 2.00000 |
| 2007 | TBD (AA) | 44 | 0 | 67.0 | 69 | 0.26866 | 4.29851 | 1.61194 |
| 2008 | PIT (AA) | 9 | 0 | 16.0 | 17 | 0.00000 | 2.81250 | 1.06250 |
| 2008 | PIT (AAA) | 23 | 0 | 41.1 | 34 | 0.43548 | 2.39516 | 1.06452 |
| 2009 | PIT (AAA) | 6 | 0 | 8.2 | 7 | 0.00000 | 1.03846 | 1.15385 |
| 2011 | PIT (A+) | 2 | 1 | 2.0 | 2 | 0.00000 | 0.00000 | 0.50000 |
| 2011 | PIT (AAA) | 8 | 0 | 8.0 | 8 | 0.00000 | 2.25000 | 0.87500 |
| 2012 | PIT (AAA) | 36 | 0 | 46.0 | 41 | 0.58696 | 2.73913 | 1.28261 |
| 2013 | TEX (AAA) | 33 | 15 | 108.0 | 80 | 0.75000 | 4.50000 | 1.49074 |
| 2014 | BAL (AAA) | 39 | 0 | 41.2 | 37 | 0.43200 | 1.94400 | 0.88800 |
| 2015 | WSN (AAA) | 30 | 0 | 37.2 | 33 | 0.23894 | 2.15044 | 1.30088 |
| Year | Team | G | GS | IP |
K |
HR9 |
ERA |
WHIP |
| 2008 | PIT (ST) | 8 | 0 | 10.0 | 9 | 0.00000 | 3.60000 | 1.30000 |
| 2009 | PIT (ST) | 11 | 0 | 10.1 | 9 | 0.00000 | 3.48387 | 1.25806 |
| 2010 | PIT (ST) | 10 | 0 | 10.1 | 8 | 0.00000 | 5.22581 | 1.35484 |
| 2011 | PIT (ST) | 7 | 0 | 7.1 | 5 | 0.00000 | 3.68182 | 1.63636 |
| 2012 | PIT (ST) | 10 | 0 | 11.2 | 8 | 1.54286 | 4.62857 | 1.20000 |
| 2013 | TEX (ST) | 8 | 0 | 8.2 | 10 | 0.00000 | 9.34615 | 1.84615 |
| 2014 | BAL (ST) | 8 | 0 | 9.0 | 10 | 0.00000 | 1.00000 | 0.22222 |
| 2015 | WSN (ST) | 5 | 0 | 5.0 | 4 | 1.80000 | 7.20000 | 1.60000 |