| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | 6.38 | 199806130_WAS_ATL |
| Andy Ashby | SDN | 5.28 | 199806140_SFN_SDN |
| Rick Reed | NYN | 4.03 | 199806130_NYN_MIA |
| Mike Hampton | HOU | 3.28 | 199806150_HOU_CIN |
| Roger Clemens | TOR | 3.19 | 199806140_BAL_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobby Witt | TEX | -6.04 | 199806150_ANA_TEX |
| Doug Drabek | BAL | -2.62 | 199806130_BAL_TOR |
| Jamey Wright | COL | -2.42 | 199806130_COL_LAN |
| Kent Mercker | SLN | -1.91 | 199806130_SLN_ARI |
| LaTroy Hawkins | MIN | -1.88 | 199806140_CHA_MIN |
Based on accumulated WAA for this season up to 1998-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.12 | Greg Maddux | 113.3 | ATL |
| +003+ | 6 | Andy Ashby | 113.3 | SDN |
| +007+ | 5.01 | Al Leiter | 79.3 | NYN |
| +008+ | 4.85 | Curt Schilling | 114.7 | PHI |
| +011+ | 4.56 | Rick Reed | 93.3 | NYN |
| +012+ | 4.53 | Francisco Cordova | 96 | PIT |
| +013+ | 4.48 | Hideki Irabu | 68 | NYA |
| +014+ | 4.15 | Mike Hampton | 103 | HOU |
| +015+ | 4.09 | Kevin Brown | 105 | SDN |
| +016+ | 3.99 | Chuck Finley | 105 | ANA |
| +017+ | 3.96 | Brad Radke | 100.7 | MIN |
| +018+ | 3.85 | Tom Glavine | 94 | ATL |
| +020+ | 3.75 | Ramon Martinez | 101.7 | LAN |
| +022+ | 3.67 | Pete Harnisch | 93.3 | CIN |
| +026+ | 3.25 | Bartolo Colon | 93.3 | CLE |
| +027+ | 3.23 | Todd Stottlemyre | 109.7 | SLN |
| +031+ | 3.06 | Kenny Rogers | 96.3 | OAK |
| +033+ | 3.03 | Shane Reynolds | 104.3 | HOU |
| +037+ | 2.87 | Omar Olivares | 72 | ANA |
| +045+ | 2.61 | Masato Yoshii | 70.3 | NYN |
| +049+ | 2.52 | Sean Bergman | 69 | HOU |
| +056+ | 2.38 | Jose Lima | 94 | HOU |
| +059+ | 2.32 | Woody Williams | 93 | TOR |
| +063+ | 2.25 | Orel Hershiser | 87.3 | SFN |
| +065+ | 2.24 | Denny Neagle | 98.7 | ATL |
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