| On Grass/Turf - Grass | ||||||||||||||
| Date | Opp | INN | GS | QS | CG | W | L | S | BS | K | BBI | HA | ERA | WHIP |
| 4/23/13 | atCOL | 6.0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 5 | 2 | 5 | 4.500 | 1.1700 |
| 4/28/13 | atDET | 6.2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 6 | 2 | 6 | 8.100 | 1.1900 |
| 5/3/13 | vsNYM | 7.0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 3.860 | 0.4300 |
| 5/8/13 | atCIN | 7.0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 7 | 3 | 4 | 1.290 | 1.0000 |
| 5/13/13 | atARI | 6.2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 2 | 8 | 1.350 | 1.4900 |
| 5/19/13 | vsLAD | 6.0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 2 | 3 | 3.000 | 0.8300 |
| TOTAL | 39.1 | 6 | 5 | 0 | 3 | 1 | 0 | 0 | 35 | 11 | 29 | 3.660 | 1.0200 | |