| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 8.32 | 199805270_WAS_ATL |
| Pedro Martinez | BOS | 7.73 | 199805250_TOR_BOS |
| Kevin Brown | SDN | 6.14 | 199805260_SDN_ARI |
| Jeff Fassero | SEA | 3.66 | 199805260_BAL_SEA |
| Francisco Cordova | PIT | 2.23 | 199805260_PIT_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -4.36 | 199805250_DET_CLE |
| John Burkett | TEX | -1.97 | 199805270_MIN_TEX |
| Jeff Suppan | ARI | -1.9 | 199805260_SDN_ARI |
| Bill Swift | SEA | -1.62 | 199805250_BAL_SEA |
| Javier Vazquez | WAS | -1.61 | 199805270_WAS_ATL |
Based on accumulated WAA for this season up to 1998-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.39 | Greg Maddux | 88.3 | ATL |
| +003+ | 4.86 | Curt Schilling | 85.7 | PHI |
| +005+ | 4.09 | Al Leiter | 60.3 | NYN |
| +006+ | 3.93 | Kevin Brown | 83 | SDN |
| +007+ | 3.87 | Pedro Martinez | 80 | BOS |
| +008+ | 3.8 | Tom Glavine | 67 | ATL |
| +010+ | 3.72 | Mike Hampton | 78.7 | HOU |
| +011+ | 3.71 | Francisco Cordova | 75 | PIT |
| +012+ | 3.65 | Hideki Irabu | 47.7 | NYA |
| +013+ | 3.61 | Chuck Finley | 77 | ANA |
| +014+ | 3.58 | Andy Ashby | 79.7 | SDN |
| +015+ | 3.2 | Aaron Sele | 73.7 | TEX |
| +020+ | 2.91 | Denny Neagle | 76.7 | ATL |
| +023+ | 2.81 | Woody Williams | 66 | TOR |
| +024+ | 2.8 | Masato Yoshii | 58 | NYN |
| +026+ | 2.79 | Ramon Martinez | 77 | LAN |
| +027+ | 2.71 | Todd Stottlemyre | 88 | SLN |
| +030+ | 2.63 | Shane Reynolds | 82.3 | HOU |
| +032+ | 2.46 | Jose Lima | 74.7 | HOU |
| +033+ | 2.44 | Rick Reed | 62.7 | NYN |
| +043+ | 2.24 | Brad Radke | 69.3 | MIN |
| +044+ | 2.22 | Jamie Moyer | 76.7 | SEA |
| +046+ | 2.13 | Pete Harnisch | 72.3 | CIN |
| +058+ | 1.94 | Orel Hershiser | 71.3 | SFN |
| +063+ | 1.89 | Bartolo Colon | 67.7 | CLE |
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