| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +042+ | 1.68 | 37.0 | 2.43 | 6 | 0 | NYN |
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19980420 | XXXXX | 0.99 | NYN |
| 19980504 | XXXXX | 1.15 | NYN |
| 19980507 | +042+ | 1.68 | NYN |
| 19980521 | +023+ | 2.59 | NYN |
| 19980604 | +025+ | 3.07 | NYN |
| 19980618 | +112+ | 1.68 | NYN |
| 19980703 | +107+ | 1.96 | NYN |
| 19980720 | XXXXX | 0.87 | NYN |
| 19980803 | +165+ | 1.72 | NYN |
| 19980817 | +190+ | 1.54 | NYN |
| 19980831 | +184+ | 1.82 | NYN |
| 19980914 | +188+ | 1.90 | NYN |
| 19980928 | +190+ | 1.84 | NYN |
Masato Yoshii Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | -0.59 | 13 | 5.54 | 3 | 0 | NYN |
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