| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +138+ | 1.73 | 56.7 | 2.70 | 0 | 51 | KCA |
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 20120422 | XXXXX | -0.31 | KCA |
| 20120506 | XXXXX | 0.16 | KCA |
| 20120520 | XXXXX | -0.07 | KCA |
| 20120603 | XXXXX | 0.55 | KCA |
| 20120617 | XXXXX | 0.59 | KCA |
| 20120701 | XXXXX | 0.86 | KCA |
| 20120719 | XXXXX | 1.24 | KCA |
| 20120802 | +158+ | 1.52 | KCA |
| 20120805 | +138+ | 1.73 | KCA |
| 20120808 | +127+ | 1.86 | KCA |
| 20120822 | +095+ | 2.42 | KCA |
| 20120905 | +098+ | 2.52 | KCA |
| 20120919 | +076+ | 3.05 | KCA |
| 20121003 | +079+ | 3.23 | KCA |
Kelvin Herrera Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +118+ | 1.56 | 28.7 | 1.26 | 0 | 22 | KCA |
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