| 2012-04-15 | CHA | 25.199 | W 2-5 | vs DET | 1 | 14 | - | Rel | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 8 | 7 | 47% | 0-0 | 0.00 | 0.00 |
| 2012-04-16 | CHA | 25.200 | W 4-10 | vs BAL | 2 | 15 | L | Rel | 1.0 | 5 | 6 | 1 | 1 | 0 | 1 | 28 | 10 | 18 | 64% | 0-1 | 4.50 | 2.50 |
| 2012-04-19 | CHA | 25.203 | W 3-5 | vs BAL | 3 | 16 | - | Rel | 1.0 | 1 | 0 | 0 | 0 | 0 | 1 | 17 | 6 | 11 | 65% | 0-1 | 3.00 | 2.00 |
| 2012-04-26 | CHA | 25.210 | W 3-10 | vs BOS | 4 | 17 | - | Rel | 2.0 | 3 | 1 | 1 | 0 | 0 | 0 | 23 | 8 | 15 | 65% | 0-1 | 3.60 | 1.80 |
| 2012-05-01 | CHA | 25.215 | L 7-2 | vs CLE | 5 | 18 | - | Rel | 1.1 | 1 | 0 | 0 | 0 | 0 | 0 | 24 | 10 | 14 | 58% | 0-1 | 3.00 | 1.67 |
| 2012-05-02 | CHA | 25.216 | W 3-6 | vs CLE | 6 | 19 | - | Rel | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 6 | 8 | 57% | 0-1 | 2.57 | 1.43 |
| 2012-05-04 |
| 2012-05-06 | CHA | 25.220 | L 1-3 | @ DET | 7 | 20 | - | Rel | 1.0 | 2 | 0 | 0 | 0 | 1 | 1 | 21 | 8 | 13 | 62% | 0-1 | 2.25 | 1.63 |
| 2012-05-12 | CHA | 25.226 | W 0-5 | vs KCA | 8 | 21 | - | Rel | 1.1 | 3 | 1 | 1 | 0 | 0 | 0 | 24 | 7 | 17 | 71% | 0-1 | 3.00 | 1.78 |
| 2012-05-14 | CHA | 25.228 | L 7-5 | vs DET | 9 | 22 | W | Rel | 3.0 | 1 | 0 | 0 | 0 | 1 | 2 | 38 | 15 | 23 | 61% | 1-1 | 2.25 | 1.50 |
| 2012-05-19 | CHA | 25.233 | W 7-4 | @ CHN | 10 | 23 | - | Rel | 1.0 | 4 | 4 | 4 | 2 | 0 | 1 | 26 | 4 | 22 | 85% | 1-1 | 4.85 | 1.69 |
| 2012-05-22 | CHA | 25.236 | W 2-9 | vs MIN | 11 | 24 | - | Rel | 3.1 | 1 | 0 | 0 | 0 | 0 | 3 | 43 | 12 | 31 | 72% | 1-1 | 3.71 | 1.35 |
| 2012-05-25 | CHA | 25.239 | L 9-3 | vs CLE | 12 | 25 | - | Rel | 1.0 | 2 | 1 | 1 | 1 | 0 | 1 | 12 | 3 | 9 | 75% | 1-1 | 4.00 | 1.39 |
| 2012-06-02 | CHA | 25.247 | W 8-10 | vs SEA | 13 | 26 | - | Rel | 0.0 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 4 | 5 | 56% | 1-1 | 4.00 | 1.44 |
| 2012-06-05 | CHA | 25.250 | W 5-9 | vs TOR | 14 | 27 | - | Rel | 2.2 | 6 | 4 | 3 | 0 | 0 | 0 | 44 | 19 | 25 | 57% | 1-1 | 4.95 | 1.60 |
| 2012-06-09 | CHA | 25.254 | L 10-1 | vs HOU | 15 | 28 | - | Rel | 1.0 | 2 | 1 | 1 | 1 | 0 | 2 | 24 | 9 | 15 | 63% | 1-1 | 5.14 | 1.62 |
| 2012-06-10 | CHA | 25.255 | W 9-11 | vs HOU | 16 | 29 | - | Rel | 2.0 | 1 | 2 | 2 | 1 | 1 | 2 | 27 | 11 | 16 | 59% | 1-1 | 5.48 | 1.57 |
| 2012-06-14 | CHA | 25.259 | L 3-5 | @ SLN | 17 | 30 | - | Rel | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 5 | 12 | 71% | 1-1 | 5.25 | 1.50 |
| 2012-06-18 | CHA | 25.263 | W 3-12 | vs CHN | 18 | 31 | L | ST | 5.2 | 9 | 6 | 6 | 4 | 0 | 1 | 89 | 29 | 60 | 67% | 1-2 | 6.00 | 1.50 |
| 2012-06-19 Optioned to Charlotte (AAA) |
| 2012-06-24 Traded from White Sox with Brent Lillibridge for Kevin Youkilis |
| 2012-08-29 Recalled from Pawtucket (AAA) |
| 2012-08-29 | BOS | 25.335 | L 3-10 | @ ANA | 19 | 32 | L | ST | 3.0 | 10 | 9 | 9 | 2 | 0 | 2 | 72 | 26 | 46 | 64% | 1-3 | 7.91 | 1.67 |
| 2012-08-30 Optioned to Pawtucket (AAA) |
| 2012-09-22 Recalled from Pawtucket (AAA) |
| 2012-09-30 | BOS | 26.002 | L 3-6 | @ BAL | 20 | 33 | L | ST | 2.2 | 7 | 5 | 5 | 2 | 0 | 1 | 49 | 17 | 32 | 65% | 1-4 | 8.50 | 1.72 |