Not enough days in 2015 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 20150415 | XXXXX | 0.27 | KCA |
| 20150429 | XXXXX | 0.55 | KCA |
| 20150513 | XXXXX | 0.59 | KCA |
| 20150527 | XXXXX | 0.83 | KCA |
| 20150610 | XXXXX | 0.93 | KCA |
| 20150624 | +134+ | 1.27 | KCA |
| 20150708 | +142+ | 1.35 | KCA |
| 20150726 | +104+ | 1.90 | KCA |
| 20150809 | +110+ | 2.04 | KCA |
| 20150823 | +093+ | 2.37 | KCA |
| 20150906 | +094+ | 2.53 | KCA |
| 20150920 | +169+ | 1.78 | KCA |
| 20151004 | +155+ | 2.00 | KCA |
Kelvin Herrera Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +118+ | 1.56 | 28.7 | 1.26 | 0 | 22 | KCA |
_