Not enough days in 1997 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19970410 | XXXXX | 0.36 | OAK |
| 19970424 | +030+ | 1.33 | OAK |
| 19970508 | XXXXX | -0.21 | OAK |
| 19970522 | XXXXX | -0.47 | OAK |
| 19970605 | XXXXX | -0.32 | OAK |
| 19970619 | XXXXX | -0.55 | OAK |
| 19970703 | XXXXX | -0.22 | OAK |
| 19970720 | -139- | -1.37 | OAK |
| 19970803 | -151- | -1.44 | OAK |
| 19970817 | -143- | -1.64 | OAK |
| 19970831 | -144- | -1.82 | OAK |
| 19970914 | -140- | -1.88 | OAK |
| 19970928 | -149- | -1.91 | OAK |
Ariel Prieto Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|
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