| On Grass/Turf - Grass | ||||||||||||||
| Date | Opp | INN | GS | QS | CG | W | L | S | BS | K | BBI | HA | ERA | WHIP |
| 4/18/13 | vsBOS | 5.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 3 | 6 | 5.400 | 1.8000 |
| 4/24/13 | atCHW | 5.2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 5 | 5 | 4.760 | 1.7500 |
| 4/30/13 | vsPHI | 7.0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 1 | 5 | 2.570 | 0.8600 |
| 5/7/13 | vsOAK | 7.2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 1 | 5 | 0.000 | 0.7800 |
| 5/12/13 | atDET | 6.0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 8 | 3.000 | 1.8300 |
| 5/18/13 | vsSEA | 7.1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 6 | 2.450 | 0.9600 |
| TOTAL | 38.2 | 6 | 4 | 0 | 2 | 2 | 0 | 0 | 25 | 14 | 35 | 2.790 | 1.2700 | |