| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | 6.98 | 199805290_ATL_CHN |
| Kevin Brown | SDN | 6.93 | 199805310_SLN_SDN |
| Pedro Martinez | BOS | 6.11 | 199805310_BOS_NYA |
| Al Leiter | NYN | 3.9 | 199805300_NYN_PHI |
| Mike Hampton | HOU | 3.66 | 199805290_HOU_COL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Castillo | DET | -4.89 | 199805310_CHA_DET |
| Jeff Suppan | ARI | -3.13 | 199805310_ARI_SFN |
| Glendon Rusch | KCA | -2.14 | 199805300_OAK_KCA |
| LaTroy Hawkins | MIN | -2.03 | 199805290_ANA_MIN |
| Dennis Springer | TBA | -1.94 | 199805300_SEA_TBA |
Based on accumulated WAA for this season up to 1998-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.45 | Greg Maddux | 88.3 | ATL |
| +004+ | 4.33 | Chuck Finley | 85.3 | ANA |
| +005+ | 4.22 | Al Leiter | 67.3 | NYN |
| +006+ | 4.18 | Kevin Brown | 91 | SDN |
| +007+ | 4.15 | Andy Ashby | 88.7 | SDN |
| +008+ | 4.1 | Mike Hampton | 85.7 | HOU |
| +010+ | 4.06 | Tom Glavine | 75 | ATL |
| +009+ | 4.06 | Francisco Cordova | 82 | PIT |
| +011+ | 3.97 | Curt Schilling | 90.7 | PHI |
| +013+ | 3.78 | Hideki Irabu | 54.7 | NYA |
| +014+ | 3.71 | Pedro Martinez | 85.7 | BOS |
| +019+ | 3.24 | Rick Reed | 70 | NYN |
| +020+ | 3.2 | Ramon Martinez | 83 | LAN |
| +021+ | 3.13 | Woody Williams | 72.7 | TOR |
| +022+ | 3.12 | Jamie Moyer | 84.7 | SEA |
| +024+ | 2.87 | Denny Neagle | 83.7 | ATL |
| +026+ | 2.84 | Masato Yoshii | 58 | NYN |
| +027+ | 2.81 | Todd Stottlemyre | 88 | SLN |
| +028+ | 2.8 | Brad Radke | 76.3 | MIN |
| +032+ | 2.7 | Shane Reynolds | 82.3 | HOU |
| +034+ | 2.65 | Pete Harnisch | 79.3 | CIN |
| +035+ | 2.61 | Orel Hershiser | 77.3 | SFN |
| +036+ | 2.61 | Aaron Sele | 77.3 | TEX |
| +038+ | 2.53 | Carlos Perez | 88.7 | WAS |
| +050+ | 2.25 | Bartolo Colon | 76.7 | CLE |
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