| Starter | Tm | Tier | Game |
|---|---|---|---|
| Curt Schilling | PHI | 8.16 | 199805170_PHI_SDN |
| Greg Maddux | ATL | 7.65 | 199805160_ATL_HOU |
| Kevin Brown | SDN | 6.21 | 199805160_PHI_SDN |
| Jeff Fassero | SEA | 3.49 | 199805160_SEA_TOR |
| Al Leiter | NYN | 2.96 | 199805170_NYN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -3.77 | 199805160_TEX_CLE |
| Jamey Wright | COL | -3.39 | 199805170_MIL_COL |
| Frank Castillo | DET | -2.99 | 199805150_OAK_DET |
| Jeff Suppan | ARI | -2.82 | 199805150_PIT_ARI |
| Glendon Rusch | KCA | -1.92 | 199805170_KCA_BOS |
Based on accumulated WAA for this season up to 1998-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.41 | Curt Schilling | 77 | PHI |
| +002+ | 4.08 | Greg Maddux | 72 | ATL |
| +003+ | 3.97 | Pedro Martinez | 65.3 | BOS |
| +007+ | 3.15 | Mike Hampton | 65.7 | HOU |
| +008+ | 3.13 | Andy Ashby | 64.7 | SDN |
| +009+ | 3.1 | Al Leiter | 51.3 | NYN |
| +011+ | 3.04 | Kevin Brown | 68 | SDN |
| +013+ | 2.74 | Francisco Cordova | 60.7 | PIT |
| +014+ | 2.71 | Roger Clemens | 49.3 | TOR |
| +015+ | 2.67 | Bartolo Colon | 61.7 | CLE |
| +016+ | 2.62 | Aaron Sele | 64.7 | TEX |
| +020+ | 2.45 | Chuck Finley | 62.3 | ANA |
| +021+ | 2.44 | Hideki Irabu | 32.3 | NYA |
| +022+ | 2.39 | Jeff Fassero | 49 | SEA |
| +024+ | 2.33 | Tom Glavine | 51 | ATL |
| +027+ | 2.27 | Mike Mussina | 50 | BAL |
| +030+ | 2.21 | Todd Stottlemyre | 71.7 | SLN |
| +031+ | 2.2 | Jamie Moyer | 69.3 | SEA |
| +035+ | 2.07 | Rick Reed | 55.7 | NYN |
| +036+ | 2.07 | Rolando Arrojo | 59.3 | TBA |
| +037+ | 2.01 | Pete Harnisch | 62.3 | CIN |
| +039+ | 1.98 | Pat Rapp | 53.3 | KCA |
| +040+ | 1.97 | Jose Lima | 60.3 | HOU |
| +041+ | 1.96 | Ramon Martinez | 68 | LAN |
| +046+ | 1.91 | Brett Tomko | 57.3 | CIN |
_