| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 10.83 | 199806070_ATL_BAL |
| Curt Schilling | PHI | 6.74 | 199806070_PHI_TOR |
| Andy Ashby | SDN | 4.45 | 199806090_CIN_SDN |
| Roger Clemens | TOR | 3.6 | 199806080_TOR_MIA |
| Chuck Finley | ANA | 3.44 | 199806090_ANA_ARI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -5.72 | 199806070_SDN_TEX |
| Jamey Wright | COL | -3.47 | 199806070_COL_ANA |
| Dennis Springer | TBA | -2.08 | 199806080_TBA_NYN |
| Glendon Rusch | KCA | -2.03 | 199806090_MIL_KCA |
| Doug Drabek | BAL | -2.02 | 199806070_ATL_BAL |
Based on accumulated WAA for this season up to 1998-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.85 | Greg Maddux | 106.3 | ATL |
| +004+ | 5.49 | Andy Ashby | 106 | SDN |
| +007+ | 4.69 | Francisco Cordova | 89 | PIT |
| +009+ | 4.61 | Al Leiter | 73.3 | NYN |
| +010+ | 4.55 | Rick Reed | 85 | NYN |
| +012+ | 4.27 | Hideki Irabu | 62 | NYA |
| +013+ | 4.24 | Tom Glavine | 87.3 | ATL |
| +014+ | 4.21 | Curt Schilling | 107.7 | PHI |
| +015+ | 4.14 | Chuck Finley | 98.3 | ANA |
| +017+ | 3.86 | Mike Hampton | 100 | HOU |
| +018+ | 3.78 | Brad Radke | 92.7 | MIN |
| +019+ | 3.58 | Shane Reynolds | 99.3 | HOU |
| +020+ | 3.56 | Ramon Martinez | 97 | LAN |
| +023+ | 3.41 | Kevin Brown | 96 | SDN |
| +024+ | 3.31 | Bartolo Colon | 93.3 | CLE |
| +025+ | 3.18 | Pete Harnisch | 86.3 | CIN |
| +026+ | 3.08 | Todd Stottlemyre | 101.7 | SLN |
| +027+ | 3.06 | Jose Lima | 90.3 | HOU |
| +030+ | 3.01 | Denny Neagle | 91.7 | ATL |
| +036+ | 2.8 | Pedro Martinez | 89.7 | BOS |
| +039+ | 2.71 | Woody Williams | 86.3 | TOR |
| +040+ | 2.69 | Orel Hershiser | 83.3 | SFN |
| +046+ | 2.49 | Masato Yoshii | 65 | NYN |
| +053+ | 2.39 | Omar Olivares | 65.3 | ANA |
| +052+ | 2.39 | Roger Clemens | 85.3 | TOR |
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