| Starter | Tm | Tier | Game |
|---|---|---|---|
| Curt Schilling | PHI | 8.69 | 199805230_PHI_WAS |
| Greg Maddux | ATL | 8.27 | 199805220_CHN_ATL |
| Mike Hampton | HOU | 3.27 | 199805230_SDN_HOU |
| Roger Clemens | TOR | 3.23 | 199805230_TOR_CLE |
| Al Leiter | NYN | 2.9 | 199805230_MIL_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -4.91 | 199805220_KCA_TEX |
| Allen Watson | ANA | -2.57 | 199805230_MIN_ANA |
| Jamey Wright | COL | -2.56 | 199805220_COL_CIN |
| Doug Drabek | BAL | -2.13 | 199805230_BAL_OAK |
| Glendon Rusch | KCA | -2.11 | 199805230_KCA_TEX |
Based on accumulated WAA for this season up to 1998-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.96 | Curt Schilling | 85.7 | PHI |
| +004+ | 4.54 | Pedro Martinez | 72.3 | BOS |
| +005+ | 4.52 | Greg Maddux | 80 | ATL |
| +006+ | 4.08 | Al Leiter | 60.3 | NYN |
| +007+ | 3.8 | Tom Glavine | 67 | ATL |
| +008+ | 3.73 | Mike Hampton | 78.7 | HOU |
| +009+ | 3.6 | Chuck Finley | 77 | ANA |
| +010+ | 3.29 | Kevin Brown | 75 | SDN |
| +013+ | 3.19 | Aaron Sele | 73.7 | TEX |
| +019+ | 2.81 | Woody Williams | 66 | TOR |
| +020+ | 2.79 | Ramon Martinez | 77 | LAN |
| +021+ | 2.71 | Hideki Irabu | 38.7 | NYA |
| +025+ | 2.6 | Masato Yoshii | 52 | NYN |
| +028+ | 2.43 | Rick Reed | 62.7 | NYN |
| +029+ | 2.4 | Denny Neagle | 69.7 | ATL |
| +030+ | 2.38 | Jose Lima | 67.7 | HOU |
| +032+ | 2.35 | Jeff Fassero | 56 | SEA |
| +035+ | 2.24 | Pete Harnisch | 67.3 | CIN |
| +036+ | 2.23 | Shane Reynolds | 74.3 | HOU |
| +037+ | 2.23 | Brad Radke | 69.3 | MIN |
| +039+ | 2.22 | Jamie Moyer | 76.7 | SEA |
| +048+ | 2.06 | Todd Stottlemyre | 79.7 | SLN |
| +059+ | 1.88 | Bartolo Colon | 67.7 | CLE |
| +058+ | 1.88 | Carlos Perez | 80.7 | WAS |
| +062+ | 1.82 | Steve Trachsel | 63.3 | CHN |
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