| On Grass/Turf - Grass | ||||||||||||||
| Date | Opp | INN | GS | QS | CG | W | L | S | BS | K | BBI | HA | ERA | WHIP |
| 5/3/13 | atHOU | 2.0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.000 | 0.0000 |
| 5/9/13 | atWAS | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0.000 | 0.5900 |
| 5/11/13 | vsCLE | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 10.800 | 2.3500 |
| 5/15/13 | vsHOU | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0.000 | 2.8600 |
| 5/17/13 | atTEX | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.000 | 0.0000 |
| 5/18/13 | atTEX | 3.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 2.700 | 0.9100 |
| TOTAL | 10.0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 2 | 8 | 2.700 | 1.0000 | |