| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Brown | SDN | 7.02 | 199806050_SDN_TEX |
| Tom Glavine | ATL | 7.01 | 199806030_ATL_MIL |
| Pedro Martinez | BOS | 5.44 | 199806050_NYN_BOS |
| Al Leiter | NYN | 3.97 | 199806050_NYN_BOS |
| Mike Hampton | HOU | 3.89 | 199806040_HOU_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -6.62 | 199806050_DET_MIL |
| LaTroy Hawkins | MIN | -1.86 | 199806030_CLE_MIN |
| Matt Beech | PHI | -1.7 | 199806030_WAS_PHI |
| Glendon Rusch | KCA | -1.53 | 199806040_CHA_KCA |
| Dennis Springer | TBA | -1.49 | 199806040_TBA_NYA |
Based on accumulated WAA for this season up to 1998-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.93 | Greg Maddux | 97.3 | ATL |
| +004+ | 4.9 | Chuck Finley | 93.3 | ANA |
| +005+ | 4.83 | Andy Ashby | 97.7 | SDN |
| +006+ | 4.63 | Al Leiter | 73.3 | NYN |
| +008+ | 4.47 | Tom Glavine | 81.3 | ATL |
| +009+ | 4.28 | Hideki Irabu | 62 | NYA |
| +011+ | 4.01 | Francisco Cordova | 82 | PIT |
| +012+ | 4 | Curt Schilling | 99.7 | PHI |
| +013+ | 3.68 | Ramon Martinez | 90 | LAN |
| +014+ | 3.67 | Mike Hampton | 92 | HOU |
| +015+ | 3.65 | Rick Reed | 76 | NYN |
| +019+ | 3.4 | Kevin Brown | 96 | SDN |
| +021+ | 3.21 | Carlos Perez | 97.7 | WAS |
| +022+ | 3.17 | Pete Harnisch | 86.3 | CIN |
| +025+ | 3.05 | Masato Yoshii | 60 | NYN |
| +026+ | 3.03 | Denny Neagle | 91.7 | ATL |
| +028+ | 2.89 | Brad Radke | 83.7 | MIN |
| +030+ | 2.87 | Shane Reynolds | 90.3 | HOU |
| +032+ | 2.8 | Pedro Martinez | 89.7 | BOS |
| +033+ | 2.79 | Todd Stottlemyre | 94 | SLN |
| +035+ | 2.76 | Orel Hershiser | 83.3 | SFN |
| +037+ | 2.65 | Woody Williams | 78.7 | TOR |
| +045+ | 2.41 | Roger Clemens | 78.3 | TOR |
| +046+ | 2.39 | Bartolo Colon | 84.3 | CLE |
| +047+ | 2.38 | Sean Bergman | 57.3 | HOU |
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