| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -3.53 | 199805090_DET_ANA |
| Jamey Wright | COL | -3.28 | 199805070_COL_WAS |
| Doug Drabek | BAL | -2.32 | 199805080_BAL_TBA |
| Sterling Hitchcock | SDN | -2.02 | 199805090_SDN_ATL |
| Allen Watson | ANA | -1.47 | 199805080_DET_ANA |
Based on accumulated WAA for this season up to 1998-05-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.02 | Curt Schilling | 62 | PHI |
| +003+ | 3.52 | Pedro Martinez | 57.3 | BOS |
| +004+ | 3.32 | Greg Maddux | 59 | ATL |
| +007+ | 2.77 | Al Leiter | 37.3 | NYN |
| +008+ | 2.76 | Andy Ashby | 57.7 | SDN |
| +009+ | 2.75 | Chuck Finley | 56 | ANA |
| +012+ | 2.68 | Mike Mussina | 44.7 | BAL |
| +014+ | 2.5 | Francisco Cordova | 46.7 | PIT |
| +016+ | 2.43 | Mike Hampton | 57 | HOU |
| +019+ | 2.28 | Kevin Brown | 53 | SDN |
| +020+ | 2.22 | Roger Clemens | 41.3 | TOR |
| +022+ | 2.15 | Tom Glavine | 44 | ATL |
| +027+ | 2.03 | Brett Tomko | 50.3 | CIN |
| +028+ | 1.97 | Rick Helling | 49.7 | TEX |
| +030+ | 1.94 | Brian Meadows | 46.3 | MIA |
| +031+ | 1.83 | Hideki Irabu | 25.3 | NYA |
| +034+ | 1.73 | Ramon Martinez | 56 | LAN |
| +035+ | 1.71 | Pete Harnisch | 47.3 | CIN |
| +038+ | 1.69 | Masato Yoshii | 37 | NYN |
| +037+ | 1.69 | Aaron Sele | 51 | TEX |
| +045+ | 1.62 | Rick Reed | 48.7 | NYN |
| +043+ | 1.62 | Jose Lima | 47.3 | HOU |
| +046+ | 1.59 | Brad Radke | 47.7 | MIN |
| +050+ | 1.57 | Carlos Perez | 57 | WAS |
| +053+ | 1.53 | Jamie Moyer | 55.7 | SEA |
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