| On Grass/Turf - Grass | ||||||||||||||
| Date | Opp | INN | GS | QS | CG | W | L | S | BS | K | BBI | HA | ERA | WHIP |
| 4/24/13 | atDET | 3.2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 4 | 8 | 7.360 | 3.2400 |
| 4/29/13 | vsCLE | 4.2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 3 | 12 | 15.430 | 3.1900 |
| 5/5/13 | vsCHW | 6.0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 5 | 1.500 | 1.3300 |
| 5/10/13 | vsNYY | 5.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 2 | 7 | 12.600 | 1.8000 |
| 5/15/13 | atLAA | 5.1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 3 | 9 | 6.750 | 2.2600 |
| 5/21/13 | atHOU | 5.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 4 | 8 | 5.400 | 2.4000 |
| TOTAL | 29.2 | 6 | 1 | 0 | 1 | 3 | 0 | 0 | 21 | 19 | 49 | 7.890 | 2.2900 | |