| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | ATL | 8.27 | 199805220_CHN_ATL |
| Pedro Martinez | BOS | 7.15 | 199805200_CHA_BOS |
| Kevin Brown | SDN | 6.52 | 199805210_SDN_PIT |
| Jeff Fassero | SEA | 4.24 | 199805210_SEA_TEX |
| Todd Stottlemyre | SLN | 1.91 | 199805210_SLN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -4.91 | 199805220_KCA_TEX |
| Frank Castillo | DET | -2.85 | 199805200_DET_MIN |
| Jamey Wright | COL | -2.56 | 199805220_COL_CIN |
| David Weathers | CIN | -2.02 | 199805220_COL_CIN |
| Jeff Suppan | ARI | -1.81 | 199805210_ARI_MIA |
Based on accumulated WAA for this season up to 1998-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.58 | Greg Maddux | 80 | ATL |
| +003+ | 4.56 | Pedro Martinez | 72.3 | BOS |
| +004+ | 4.48 | Curt Schilling | 77 | PHI |
| +006+ | 3.34 | Mike Hampton | 72.7 | HOU |
| +007+ | 3.29 | Francisco Cordova | 69 | PIT |
| +008+ | 3.27 | Kevin Brown | 75 | SDN |
| +010+ | 3.14 | Chuck Finley | 70.3 | ANA |
| +011+ | 3.14 | Andy Ashby | 71.7 | SDN |
| +012+ | 3.12 | Tom Glavine | 58 | ATL |
| +019+ | 2.75 | Bartolo Colon | 61.7 | CLE |
| +020+ | 2.72 | Hideki Irabu | 38.7 | NYA |
| +021+ | 2.7 | Aaron Sele | 64.7 | TEX |
| +023+ | 2.61 | Masato Yoshii | 52 | NYN |
| +027+ | 2.45 | Denny Neagle | 69.7 | ATL |
| +028+ | 2.44 | Rick Reed | 62.7 | NYN |
| +030+ | 2.4 | Jose Lima | 67.7 | HOU |
| +032+ | 2.37 | Jeff Fassero | 56 | SEA |
| +037+ | 2.25 | Jamie Moyer | 76.7 | SEA |
| +036+ | 2.25 | Shane Reynolds | 74.3 | HOU |
| +038+ | 2.24 | Todd Stottlemyre | 79.7 | SLN |
| +040+ | 2.23 | Pete Harnisch | 67.3 | CIN |
| +039+ | 2.23 | Brian Bohanon | 34 | NYN |
| +046+ | 2.1 | Woody Williams | 59 | TOR |
| +048+ | 2.07 | Ramon Martinez | 68 | LAN |
| +055+ | 1.91 | Carlos Perez | 72.7 | WAS |
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