| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +088+ | 2.59 | 38.0 | 1.42 | 0 | 33 | NYA |
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19980420 | XXXXX | 0.14 | NYA |
| 19980504 | XXXXX | 0.77 | NYA |
| 19980518 | XXXXX | 1.21 | NYA |
| 19980601 | +085+ | 1.72 | NYA |
| 19980615 | +095+ | 1.81 | NYA |
| 19980630 | +097+ | 2.05 | NYA |
| 19980717 | +082+ | 2.61 | NYA |
| 19980724 | +088+ | 2.59 | NYA |
| 19980803 | +082+ | 2.95 | NYA |
| 19980817 | +078+ | 3.25 | NYA |
| 19980831 | +084+ | 3.44 | NYA |
| 19980914 | +087+ | 3.52 | NYA |
| 19980928 | +091+ | 3.56 | NYA |
Mariano Rivera Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| +001+ | 9.33 | 141 | 0.77 | 0 | 96 | NYA |
_