| On Grass/Turf - Grass | ||||||||||||||
| Date | Opp | INN | GS | QS | CG | W | L | S | BS | K | BBI | HA | ERA | WHIP |
| 4/20/13 | atHOU | 3.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 8 | 16.200 | 3.3300 |
| 4/27/13 | atKC | 5.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 2 | 5 | 3.600 | 1.4000 |
| 5/4/13 | vsMIN | 6.0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 7 | 1 | 5 | 3.000 | 1.0000 |
| 5/9/13 | vsOAK | 6.0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 10 | 0 | 5 | 1.500 | 0.8300 |
| 5/14/13 | atPHI | 5.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 2 | 6 | 7.200 | 1.6000 |
| 5/20/13 | vsSEA | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 7 | 15.000 | 3.0000 |
| TOTAL | 28.1 | 6 | 2 | 0 | 2 | 2 | 0 | 0 | 30 | 10 | 36 | 6.350 | 1.6300 | |